auto generated nested mapping

.gitignore

@@ -0,0 +1,2 @@
+tests/buildenv/*
+tests/bin/*

.hooks/pre-commit

@@ -1,3 +1,6 @@
 #!/usr/bin/env bash
 go fmt *.go
-git add *.go
+go fmt tests/*.go
+
+git add *.go tests/*.go
+git add tests/*.go

auto_generated.go

@@ -0,0 +1,916 @@
+package envconf
+
+import "time"
+
+type mapEnvType [5]*keyLookupType
+
+func (c *Config) GetMapInt(key string) (empty map[string]int64) {
+	empty = make(map[string]int64)
+	retval := make(map[string]int64)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[0].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				entry := c.env[v11.key]
+				if (entry.dtype.baseType() == TypeInt.baseType()) && (entry.parsed.err == nil) {
+					retval[k11] = entry.parsed.intval
+				} else {
+					return
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMetric(key string) (empty map[string]int64) {
+	empty = make(map[string]int64)
+	retval := make(map[string]int64)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[0].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				entry := c.env[v11.key]
+				if (entry.dtype.baseType() == TypeMetric.baseType()) && (entry.parsed.err == nil) {
+					retval[k11] = entry.parsed.intval
+				} else {
+					return
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapDuration(key string) (empty map[string]time.Duration) {
+	empty = make(map[string]time.Duration)
+	retval := make(map[string]time.Duration)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[0].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				entry := c.env[v11.key]
+				if (entry.dtype.baseType() == TypeDuration.baseType()) && (entry.parsed.err == nil) {
+					retval[k11] = entry.parsed.durval
+				} else {
+					return
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapString(key string) (empty map[string]string) {
+	empty = make(map[string]string)
+	retval := make(map[string]string)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[0].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				entry := c.env[v11.key]
+				if (entry.dtype.baseType() == TypeString.baseType()) && (entry.parsed.err == nil) {
+					retval[k11] = entry.parsed.strval
+				} else {
+					return
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapDirectory(key string) (empty map[string]string) {
+	empty = make(map[string]string)
+	retval := make(map[string]string)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[0].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				entry := c.env[v11.key]
+				if (entry.dtype.baseType() == TypeDirectory.baseType()) && (entry.parsed.err == nil) {
+					retval[k11] = entry.parsed.strval
+				} else {
+					return
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapBool(key string) (empty map[string]bool) {
+	empty = make(map[string]bool)
+	retval := make(map[string]bool)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[0].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				entry := c.env[v11.key]
+				if (entry.dtype.baseType() == TypeBool.baseType()) && (entry.parsed.err == nil) {
+					retval[k11] = entry.parsed.boolval
+				} else {
+					return
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapHex(key string) (empty map[string][]byte) {
+	empty = make(map[string][]byte)
+	retval := make(map[string][]byte)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[0].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				entry := c.env[v11.key]
+				if (entry.dtype.baseType() == TypeHex.baseType()) && (entry.parsed.err == nil) {
+					retval[k11] = entry.parsed.binval
+				} else {
+					return
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapInt(key string) (empty map[string]map[string]int64) {
+	empty = make(map[string]map[string]int64)
+	retval := make(map[string]map[string]int64)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[1].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]int64)
+				for k12, v12 := range v11.next {
+					entry := c.env[v12.key]
+					if (entry.dtype.baseType() == TypeInt.baseType()) && (entry.parsed.err == nil) {
+						retval[k11][k12] = entry.parsed.intval
+					} else {
+						return
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMetric(key string) (empty map[string]map[string]int64) {
+	empty = make(map[string]map[string]int64)
+	retval := make(map[string]map[string]int64)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[1].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]int64)
+				for k12, v12 := range v11.next {
+					entry := c.env[v12.key]
+					if (entry.dtype.baseType() == TypeMetric.baseType()) && (entry.parsed.err == nil) {
+						retval[k11][k12] = entry.parsed.intval
+					} else {
+						return
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapDuration(key string) (empty map[string]map[string]time.Duration) {
+	empty = make(map[string]map[string]time.Duration)
+	retval := make(map[string]map[string]time.Duration)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[1].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]time.Duration)
+				for k12, v12 := range v11.next {
+					entry := c.env[v12.key]
+					if (entry.dtype.baseType() == TypeDuration.baseType()) && (entry.parsed.err == nil) {
+						retval[k11][k12] = entry.parsed.durval
+					} else {
+						return
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapString(key string) (empty map[string]map[string]string) {
+	empty = make(map[string]map[string]string)
+	retval := make(map[string]map[string]string)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[1].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]string)
+				for k12, v12 := range v11.next {
+					entry := c.env[v12.key]
+					if (entry.dtype.baseType() == TypeString.baseType()) && (entry.parsed.err == nil) {
+						retval[k11][k12] = entry.parsed.strval
+					} else {
+						return
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapDirectory(key string) (empty map[string]map[string]string) {
+	empty = make(map[string]map[string]string)
+	retval := make(map[string]map[string]string)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[1].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]string)
+				for k12, v12 := range v11.next {
+					entry := c.env[v12.key]
+					if (entry.dtype.baseType() == TypeDirectory.baseType()) && (entry.parsed.err == nil) {
+						retval[k11][k12] = entry.parsed.strval
+					} else {
+						return
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapBool(key string) (empty map[string]map[string]bool) {
+	empty = make(map[string]map[string]bool)
+	retval := make(map[string]map[string]bool)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[1].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]bool)
+				for k12, v12 := range v11.next {
+					entry := c.env[v12.key]
+					if (entry.dtype.baseType() == TypeBool.baseType()) && (entry.parsed.err == nil) {
+						retval[k11][k12] = entry.parsed.boolval
+					} else {
+						return
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapHex(key string) (empty map[string]map[string][]byte) {
+	empty = make(map[string]map[string][]byte)
+	retval := make(map[string]map[string][]byte)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[1].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string][]byte)
+				for k12, v12 := range v11.next {
+					entry := c.env[v12.key]
+					if (entry.dtype.baseType() == TypeHex.baseType()) && (entry.parsed.err == nil) {
+						retval[k11][k12] = entry.parsed.binval
+					} else {
+						return
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapInt(key string) (empty map[string]map[string]map[string]int64) {
+	empty = make(map[string]map[string]map[string]int64)
+	retval := make(map[string]map[string]map[string]int64)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[2].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]int64)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]int64)
+					for k13, v13 := range v12.next {
+						entry := c.env[v13.key]
+						if (entry.dtype.baseType() == TypeInt.baseType()) && (entry.parsed.err == nil) {
+							retval[k11][k12][k13] = entry.parsed.intval
+						} else {
+							return
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMetric(key string) (empty map[string]map[string]map[string]int64) {
+	empty = make(map[string]map[string]map[string]int64)
+	retval := make(map[string]map[string]map[string]int64)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[2].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]int64)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]int64)
+					for k13, v13 := range v12.next {
+						entry := c.env[v13.key]
+						if (entry.dtype.baseType() == TypeMetric.baseType()) && (entry.parsed.err == nil) {
+							retval[k11][k12][k13] = entry.parsed.intval
+						} else {
+							return
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapDuration(key string) (empty map[string]map[string]map[string]time.Duration) {
+	empty = make(map[string]map[string]map[string]time.Duration)
+	retval := make(map[string]map[string]map[string]time.Duration)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[2].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]time.Duration)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]time.Duration)
+					for k13, v13 := range v12.next {
+						entry := c.env[v13.key]
+						if (entry.dtype.baseType() == TypeDuration.baseType()) && (entry.parsed.err == nil) {
+							retval[k11][k12][k13] = entry.parsed.durval
+						} else {
+							return
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapString(key string) (empty map[string]map[string]map[string]string) {
+	empty = make(map[string]map[string]map[string]string)
+	retval := make(map[string]map[string]map[string]string)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[2].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]string)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]string)
+					for k13, v13 := range v12.next {
+						entry := c.env[v13.key]
+						if (entry.dtype.baseType() == TypeString.baseType()) && (entry.parsed.err == nil) {
+							retval[k11][k12][k13] = entry.parsed.strval
+						} else {
+							return
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapDirectory(key string) (empty map[string]map[string]map[string]string) {
+	empty = make(map[string]map[string]map[string]string)
+	retval := make(map[string]map[string]map[string]string)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[2].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]string)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]string)
+					for k13, v13 := range v12.next {
+						entry := c.env[v13.key]
+						if (entry.dtype.baseType() == TypeDirectory.baseType()) && (entry.parsed.err == nil) {
+							retval[k11][k12][k13] = entry.parsed.strval
+						} else {
+							return
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapBool(key string) (empty map[string]map[string]map[string]bool) {
+	empty = make(map[string]map[string]map[string]bool)
+	retval := make(map[string]map[string]map[string]bool)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[2].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]bool)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]bool)
+					for k13, v13 := range v12.next {
+						entry := c.env[v13.key]
+						if (entry.dtype.baseType() == TypeBool.baseType()) && (entry.parsed.err == nil) {
+							retval[k11][k12][k13] = entry.parsed.boolval
+						} else {
+							return
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapHex(key string) (empty map[string]map[string]map[string][]byte) {
+	empty = make(map[string]map[string]map[string][]byte)
+	retval := make(map[string]map[string]map[string][]byte)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[2].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string][]byte)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string][]byte)
+					for k13, v13 := range v12.next {
+						entry := c.env[v13.key]
+						if (entry.dtype.baseType() == TypeHex.baseType()) && (entry.parsed.err == nil) {
+							retval[k11][k12][k13] = entry.parsed.binval
+						} else {
+							return
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapInt(key string) (empty map[string]map[string]map[string]map[string]int64) {
+	empty = make(map[string]map[string]map[string]map[string]int64)
+	retval := make(map[string]map[string]map[string]map[string]int64)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[3].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string]int64)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string]int64)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string]int64)
+						for k14, v14 := range v13.next {
+							entry := c.env[v14.key]
+							if (entry.dtype.baseType() == TypeInt.baseType()) && (entry.parsed.err == nil) {
+								retval[k11][k12][k13][k14] = entry.parsed.intval
+							} else {
+								return
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapMetric(key string) (empty map[string]map[string]map[string]map[string]int64) {
+	empty = make(map[string]map[string]map[string]map[string]int64)
+	retval := make(map[string]map[string]map[string]map[string]int64)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[3].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string]int64)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string]int64)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string]int64)
+						for k14, v14 := range v13.next {
+							entry := c.env[v14.key]
+							if (entry.dtype.baseType() == TypeMetric.baseType()) && (entry.parsed.err == nil) {
+								retval[k11][k12][k13][k14] = entry.parsed.intval
+							} else {
+								return
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapDuration(key string) (empty map[string]map[string]map[string]map[string]time.Duration) {
+	empty = make(map[string]map[string]map[string]map[string]time.Duration)
+	retval := make(map[string]map[string]map[string]map[string]time.Duration)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[3].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string]time.Duration)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string]time.Duration)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string]time.Duration)
+						for k14, v14 := range v13.next {
+							entry := c.env[v14.key]
+							if (entry.dtype.baseType() == TypeDuration.baseType()) && (entry.parsed.err == nil) {
+								retval[k11][k12][k13][k14] = entry.parsed.durval
+							} else {
+								return
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapString(key string) (empty map[string]map[string]map[string]map[string]string) {
+	empty = make(map[string]map[string]map[string]map[string]string)
+	retval := make(map[string]map[string]map[string]map[string]string)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[3].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string]string)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string]string)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string]string)
+						for k14, v14 := range v13.next {
+							entry := c.env[v14.key]
+							if (entry.dtype.baseType() == TypeString.baseType()) && (entry.parsed.err == nil) {
+								retval[k11][k12][k13][k14] = entry.parsed.strval
+							} else {
+								return
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapDirectory(key string) (empty map[string]map[string]map[string]map[string]string) {
+	empty = make(map[string]map[string]map[string]map[string]string)
+	retval := make(map[string]map[string]map[string]map[string]string)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[3].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string]string)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string]string)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string]string)
+						for k14, v14 := range v13.next {
+							entry := c.env[v14.key]
+							if (entry.dtype.baseType() == TypeDirectory.baseType()) && (entry.parsed.err == nil) {
+								retval[k11][k12][k13][k14] = entry.parsed.strval
+							} else {
+								return
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapBool(key string) (empty map[string]map[string]map[string]map[string]bool) {
+	empty = make(map[string]map[string]map[string]map[string]bool)
+	retval := make(map[string]map[string]map[string]map[string]bool)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[3].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string]bool)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string]bool)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string]bool)
+						for k14, v14 := range v13.next {
+							entry := c.env[v14.key]
+							if (entry.dtype.baseType() == TypeBool.baseType()) && (entry.parsed.err == nil) {
+								retval[k11][k12][k13][k14] = entry.parsed.boolval
+							} else {
+								return
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapHex(key string) (empty map[string]map[string]map[string]map[string][]byte) {
+	empty = make(map[string]map[string]map[string]map[string][]byte)
+	retval := make(map[string]map[string]map[string]map[string][]byte)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[3].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string][]byte)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string][]byte)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string][]byte)
+						for k14, v14 := range v13.next {
+							entry := c.env[v14.key]
+							if (entry.dtype.baseType() == TypeHex.baseType()) && (entry.parsed.err == nil) {
+								retval[k11][k12][k13][k14] = entry.parsed.binval
+							} else {
+								return
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapMapInt(key string) (empty map[string]map[string]map[string]map[string]map[string]int64) {
+	empty = make(map[string]map[string]map[string]map[string]map[string]int64)
+	retval := make(map[string]map[string]map[string]map[string]map[string]int64)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[4].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string]map[string]int64)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string]map[string]int64)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string]map[string]int64)
+						for k14, v14 := range v13.next {
+							retval[k11][k12][k13][k14] = make(map[string]int64)
+							for k15, v15 := range v14.next {
+								entry := c.env[v15.key]
+								if (entry.dtype.baseType() == TypeInt.baseType()) && (entry.parsed.err == nil) {
+									retval[k11][k12][k13][k14][k15] = entry.parsed.intval
+								} else {
+									return
+								}
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapMapMetric(key string) (empty map[string]map[string]map[string]map[string]map[string]int64) {
+	empty = make(map[string]map[string]map[string]map[string]map[string]int64)
+	retval := make(map[string]map[string]map[string]map[string]map[string]int64)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[4].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string]map[string]int64)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string]map[string]int64)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string]map[string]int64)
+						for k14, v14 := range v13.next {
+							retval[k11][k12][k13][k14] = make(map[string]int64)
+							for k15, v15 := range v14.next {
+								entry := c.env[v15.key]
+								if (entry.dtype.baseType() == TypeMetric.baseType()) && (entry.parsed.err == nil) {
+									retval[k11][k12][k13][k14][k15] = entry.parsed.intval
+								} else {
+									return
+								}
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapMapDuration(key string) (empty map[string]map[string]map[string]map[string]map[string]time.Duration) {
+	empty = make(map[string]map[string]map[string]map[string]map[string]time.Duration)
+	retval := make(map[string]map[string]map[string]map[string]map[string]time.Duration)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[4].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string]map[string]time.Duration)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string]map[string]time.Duration)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string]map[string]time.Duration)
+						for k14, v14 := range v13.next {
+							retval[k11][k12][k13][k14] = make(map[string]time.Duration)
+							for k15, v15 := range v14.next {
+								entry := c.env[v15.key]
+								if (entry.dtype.baseType() == TypeDuration.baseType()) && (entry.parsed.err == nil) {
+									retval[k11][k12][k13][k14][k15] = entry.parsed.durval
+								} else {
+									return
+								}
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapMapString(key string) (empty map[string]map[string]map[string]map[string]map[string]string) {
+	empty = make(map[string]map[string]map[string]map[string]map[string]string)
+	retval := make(map[string]map[string]map[string]map[string]map[string]string)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[4].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string]map[string]string)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string]map[string]string)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string]map[string]string)
+						for k14, v14 := range v13.next {
+							retval[k11][k12][k13][k14] = make(map[string]string)
+							for k15, v15 := range v14.next {
+								entry := c.env[v15.key]
+								if (entry.dtype.baseType() == TypeString.baseType()) && (entry.parsed.err == nil) {
+									retval[k11][k12][k13][k14][k15] = entry.parsed.strval
+								} else {
+									return
+								}
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapMapDirectory(key string) (empty map[string]map[string]map[string]map[string]map[string]string) {
+	empty = make(map[string]map[string]map[string]map[string]map[string]string)
+	retval := make(map[string]map[string]map[string]map[string]map[string]string)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[4].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string]map[string]string)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string]map[string]string)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string]map[string]string)
+						for k14, v14 := range v13.next {
+							retval[k11][k12][k13][k14] = make(map[string]string)
+							for k15, v15 := range v14.next {
+								entry := c.env[v15.key]
+								if (entry.dtype.baseType() == TypeDirectory.baseType()) && (entry.parsed.err == nil) {
+									retval[k11][k12][k13][k14][k15] = entry.parsed.strval
+								} else {
+									return
+								}
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapMapBool(key string) (empty map[string]map[string]map[string]map[string]map[string]bool) {
+	empty = make(map[string]map[string]map[string]map[string]map[string]bool)
+	retval := make(map[string]map[string]map[string]map[string]map[string]bool)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[4].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string]map[string]bool)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string]map[string]bool)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string]map[string]bool)
+						for k14, v14 := range v13.next {
+							retval[k11][k12][k13][k14] = make(map[string]bool)
+							for k15, v15 := range v14.next {
+								entry := c.env[v15.key]
+								if (entry.dtype.baseType() == TypeBool.baseType()) && (entry.parsed.err == nil) {
+									retval[k11][k12][k13][k14][k15] = entry.parsed.boolval
+								} else {
+									return
+								}
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}
+func (c *Config) GetMapMapMapMapMapHex(key string) (empty map[string]map[string]map[string]map[string]map[string][]byte) {
+	empty = make(map[string]map[string]map[string]map[string]map[string][]byte)
+	retval := make(map[string]map[string]map[string]map[string]map[string][]byte)
+	if c.parsed {
+		key = cleanKey(key)
+		v10, ok := c.mapEnv[4].next[key]
+		if ok {
+			for k11, v11 := range v10.next {
+				retval[k11] = make(map[string]map[string]map[string]map[string][]byte)
+				for k12, v12 := range v11.next {
+					retval[k11][k12] = make(map[string]map[string]map[string][]byte)
+					for k13, v13 := range v12.next {
+						retval[k11][k12][k13] = make(map[string]map[string][]byte)
+						for k14, v14 := range v13.next {
+							retval[k11][k12][k13][k14] = make(map[string][]byte)
+							for k15, v15 := range v14.next {
+								entry := c.env[v15.key]
+								if (entry.dtype.baseType() == TypeHex.baseType()) && (entry.parsed.err == nil) {
+									retval[k11][k12][k13][k14][k15] = entry.parsed.binval
+								} else {
+									return
+								}
+							}
+						}
+					}
+				}
+			}
+			return retval
+		}
+	}
+	return
+}

datatype.go

@@ -1,40 +1,69 @@
 package envconf
 
 import (
+	"fmt"
 	"time"
 )
 
-type DataType int
+type DataType uint32
 
 const (
-	TypeNone      DataType = iota
+	sizeBitmask DataType = 0xffff
-	TypeInt       DataType = iota
+	typeBitmask DataType = sizeBitmask << 16
-	TypeMetric    DataType = iota
-	TypeDuration  DataType = iota
-	TypeString    DataType = iota
-	TypeDirectory DataType = iota
-	TypeBool      DataType = iota
 )
 
+const (
+	TypeNone      DataType = iota << 16
+	TypeInt       DataType = iota << 16
+	TypeMetric    DataType = iota << 16
+	TypeDuration  DataType = iota << 16
+	TypeString    DataType = iota << 16
+	TypeDirectory DataType = iota << 16
+	TypeBool      DataType = iota << 16
+	TypeHex       DataType = iota << 16
+)
+
+func FixedHex(size uint16) DataType {
+	return TypeHex | DataType(size)
+}
+
+func (dtype DataType) baseType() DataType {
+	return dtype & typeBitmask
+}
+
+func (dtype DataType) typeAndSize() (DataType, int) {
+	return (dtype & typeBitmask), int(dtype & sizeBitmask)
+}
+
 type cValue struct {
 	dtype   DataType
 	intval  int64
 	durval  time.Duration
 	boolval bool
+	binval  []byte
 	strval  string
 	err     error
 }
 
 func (dtype DataType) parse(key string, str string) (ret cValue) {
-	info, ok := tInfo[dtype]
+	rdtype, size := dtype.typeAndSize()
+	info, ok := tInfo[rdtype]
 	if ok {
-		return info.parser(key, str)
+		ret = info.parser(key, str, size)
+		if len(ret.binval) == 0 {
+			ret.binval = make([]byte, 0, 0)
+		}
 	}
 	return
 }
+
 func (dtype DataType) String() string {
-	info, ok := tInfo[dtype]
+	rdtype, size := dtype.typeAndSize()
+	info, ok := tInfo[rdtype]
 	if ok {
+		if size > 0 {
+			return fmt.Sprintf("%s%d", info.name, size)
+		}
 		return info.name
 	}
 	return "invalid"

envconf.go

@@ -20,10 +20,48 @@ type cEntry struct {
 	hasdef bool   // Default value is defined
 }
 
+type keyLookupType struct {
+	key  string
+	end  bool
+	next map[string]*keyLookupType
+}
+
+func (kl *keyLookupType) setKey(parts []string, key string) {
+	if len(kl.next) == 0 {
+		kl.next = make(map[string]*keyLookupType)
+	}
+	if len(parts) > 0 {
+		firstPart := parts[0]
+		nextLookup, ok := kl.next[firstPart]
+		if ok {
+			nextLookup.setKey(parts[1:], key)
+		} else {
+			nextLookup := new(keyLookupType)
+			nextLookup.setKey(parts[1:], key)
+			kl.next[firstPart] = nextLookup
+		}
+	} else {
+		kl.key = key
+		kl.end = true
+	}
+}
+
+func (kl *keyLookupType) print() {
+	if kl.end {
+		fmt.Println(kl.key)
+		fmt.Println("-----------------")
+		return
+	}
+	for key, val := range kl.next {
+		fmt.Println(key)
+		val.print()
+	}
+}
+
 type Config struct {
 	parsed bool
 	env    map[string]cEntry
-	mapEnv map[string]map[string]cEntry
+	mapEnv *mapEnvType
 }
 
 // NewConfig returns an envconf.Config that is used to read configuration from environment variables.
@@ -33,27 +71,42 @@ func NewConfig() *Config {
 	config := new(Config)
 	config.parsed = false
 	config.env = make(map[string]cEntry)
-	config.mapEnv = make(map[string]map[string]cEntry)
+
+	config.mapEnv = new(mapEnvType)
+	for level, _ := range config.mapEnv {
+		config.mapEnv[level] = new(keyLookupType)
+	}
 
 	for _, v := range os.Environ() {
 		splitted := strings.SplitN(v, "=", 2)
 		if len(splitted) == 2 {
 			key := cleanKey(splitted[0])
-			left, right, mappable := keySplit(key)
+			val := splitted[1]
 
+			splitted = strings.Split(key, "_")
+			maxParts := len(splitted)
+			splitted = append(splitted, make([]string, len(config.mapEnv), len(config.mapEnv))...)
 			if unicode.IsLetter(getFirstRune(key)) {
 				var entry cEntry
-				entry.value = splitted[1]
+				entry.value = val
 				entry.dtype = TypeNone
 				entry.unset = false
 				entry.empty = false
 				config.env[key] = entry
-				if mappable {
+				if len(splitted) > 1 {
-					if len(config.mapEnv[left]) == 0 {
+					for level := 0; level < len(config.mapEnv); level++ {
-						config.mapEnv[left] = make(map[string]cEntry)
+						for count := 0; count < maxParts-1-level; count++ {
-					}
+							parts := make([]string, level+2, level+2)
+							lastSplit := len(parts) - 1 + count
 
-					config.mapEnv[left][right] = entry
+							for partPos, _ := range parts {
+								parts[partPos] = splitted[partPos+count]
+							}
+							parts[0] = strings.Trim(strings.Join(splitted[:count+1], "_"), "_")
+							parts[len(parts)-1] = strings.Trim(strings.Join(splitted[lastSplit:], "_"), "_")
+							config.mapEnv[level].setKey(parts, key)
+						}
+					}
 				}
 			}
 		}
@@ -82,11 +135,12 @@ func (c *Config) Define(key string, dtype DataType) {
 // Variables without a defined type will be ignored by Parse.
 func (c *Config) DefineMap(key string, dtype DataType) {
 	key = cleanKey(key)
-	entries, ok := c.mapEnv[key]
+	entries, ok := c.mapEnv[0].next[key]
 	if ok {
-		for mapKey, entry := range entries {
+		for _, entry := range entries.next {
-			entry.dtype = dtype
+			defEntry := c.env[entry.key]
-			c.mapEnv[key][mapKey] = entry
+			defEntry.dtype = dtype
+			c.env[entry.key] = defEntry
 		}
 	}
 }
@@ -136,13 +190,6 @@ func (c *Config) Parse() {
 		}
 	}
 
-	for k, v := range c.mapEnv {
-		for mk, mv := range v {
-			mv.parsed = mv.dtype.parse(k+"_"+mk, mv.value)
-			c.mapEnv[k][mk] = mv
-		}
-	}
-
 	if failed {
 		for k, v := range c.env {
 			if (v.parsed.err == nil) && v.unset {
@@ -234,17 +281,7 @@ func (c *Config) Status() (ok bool) {
 				}
 			}
 		}
-		for _, v := range c.mapEnv {
+
-			for _, mv := range v {
-				err := mv.parsed.err
-				if err != nil {
-					ok = false
-					if !mv.empty {
-						fmt.Fprintln(os.Stderr, err)
-					}
-				}
-			}
-		}
 		if !ok {
 			fmt.Fprintln(os.Stderr, "")
 			for _, v := range c.env {
@@ -283,52 +320,39 @@ func keySplit(key string) (left string, right string, ok bool) {
 
 func (c *Config) getRaw(key string, dtype DataType) (val cValue) {
 	val.dtype = TypeNone
+	val.binval = make([]byte, 0, 0)
 	if c.parsed {
 		key = cleanKey(key)
 		entry, ok := c.env[key]
-		if ok && (entry.dtype == dtype) {
+		if ok && (entry.dtype.baseType() == dtype.baseType()) {
 			return entry.parsed
 		}
 	}
 	return
 }
 
-func (c *Config) getRawMap(key string, dtype DataType) (empty map[string]cValue) {
+// Returns the value of an environment variable.
-	empty = make(map[string]cValue)
-	retval := make(map[string]cValue)
-	if c.parsed {
-		key = cleanKey(key)
-		entries, ok := c.mapEnv[key]
-
-		if ok {
-			for k, v := range entries {
-				if v.dtype == dtype {
-					retval[k] = v.parsed
-				} else {
-					return
-				}
-			}
-			return retval
-		}
-	}
-	return
-}
-
-// GetInt returns the value of an environment variable.
 // If the variable is not defined as envconf.TypeInt the function will return 0.
 func (c *Config) GetInt(key string) int64 {
 	val := c.getRaw(key, TypeInt)
 	return val.intval
 }
 
-// GetMetric returns the value of an environment variable.
+// Returns the value of an environment variable.
+// If the variable is not defined as envconf.TypeHex the function will return []byte{}.
+func (c *Config) GetHex(key string) []byte {
+	val := c.getRaw(key, TypeHex)
+	return val.binval
+}
+
+// Returns the value of an environment variable.
 // If the variable is not defined as envconf.TypeMetric the function will return 0.
 func (c *Config) GetMetric(key string) int64 {
 	val := c.getRaw(key, TypeMetric)
 	return val.intval
 }
 
-// GetDirectory returns the value of an environment variable.
+// Returns the value of an environment variable.
 // If the variable is not defined as envconf.TypeDirectory the
 // function will return the empty string.
 func (c *Config) GetDirectory(key string) string {
@@ -336,7 +360,7 @@ func (c *Config) GetDirectory(key string) string {
 	return val.strval
 }
 
-// GetString returns the value of an environment variable.
+// Returns the value of an environment variable.
 // If the variable is not defined as envconf.TypeString the
 // function will return the empty string.
 func (c *Config) GetString(key string) string {
@@ -344,7 +368,7 @@ func (c *Config) GetString(key string) string {
 	return val.strval
 }
 
-// GetDuration returns the value of an environment variable.
+// Returns the value of an environment variable.
 // If the variable is not defined as envconf.TypeDuration the
 // function will return time.Duration(0).
 func (c *Config) GetDuration(key string) time.Duration {
@@ -352,7 +376,7 @@ func (c *Config) GetDuration(key string) time.Duration {
 	return val.durval
 }
 
-// GetBool returns the value of an environment variable.
+// Returns the value of an environment variable.
 // If the variable is not defined as envconf.TypeBool the
 // function will return false.
 func (c *Config) GetBool(key string) bool {
@@ -360,38 +384,6 @@ func (c *Config) GetBool(key string) bool {
 	return val.boolval
 }
 
-func (c *Config) GetMapInt(key string) (retval map[string]int64) {
-	retval = make(map[string]int64)
-	for k, v := range c.getRawMap(key, TypeInt) {
-		retval[k] = v.intval
-	}
-	return
-}
-
-func (c *Config) GetMapDuration(key string) (retval map[string]time.Duration) {
-	retval = make(map[string]time.Duration)
-	for k, v := range c.getRawMap(key, TypeDuration) {
-		retval[k] = v.durval
-	}
-	return
-}
-
-func (c *Config) GetMapString(key string) (retval map[string]string) {
-	retval = make(map[string]string)
-	for k, v := range c.getRawMap(key, TypeString) {
-		retval[k] = v.strval
-	}
-	return
-}
-
-func (c *Config) GetMapBool(key string) (retval map[string]bool) {
-	retval = make(map[string]bool)
-	for k, v := range c.getRawMap(key, TypeBool) {
-		retval[k] = v.boolval
-	}
-	return
-}
-
 func getFirstRune(str string) rune {
 	for _, v := range str {
 		return v

generate.py

@@ -0,0 +1,155 @@
+#!/usr/bin/env python3
+import typing
+import tempfile
+import os.path
+import os
+import shutil
+import subprocess
+from dataclasses import dataclass
+
+
+@dataclass
+class DataType:
+    const_type: str
+    go_type: str
+    sig_type: str
+    value_type: str
+
+
+def get_return_type(levels: int, dtype: str) -> str:
+    return ("map[string]" * levels) + dtype
+
+
+def get_signature(levels: int, data_type: DataType) -> str:
+    return (
+        "func (c *Config) Get"
+        + ("Map" * levels)
+        + data_type.sig_type
+        + "(key string) (empty "
+        + get_return_type(levels, data_type.go_type)
+        + ") {"
+    )
+
+
+def get_empty_def(levels: int, data_type: DataType) -> str:
+    return "empty = make(" + get_return_type(levels, data_type.go_type) + ")"
+
+
+def get_nested_keys(levels: int) -> str:
+    txt = ""
+    for count in range(levels):
+        txt += "[k" + str(count + 11) + "]"
+    return txt
+
+
+def get_retval_def(levels: int, current_level: int, data_type: DataType) -> str:
+    base = "retval := make("
+    if current_level > 0:
+        base = "retval" + get_nested_keys(current_level) + " = make("
+    return base + get_return_type(levels - current_level, data_type.go_type) + ")"
+
+
+def get_entries(levels: int) -> str:
+    return f"v10, ok := c.mapEnv[{levels-1}].next[key]"
+
+
+def get_entry(levels: int) -> str:
+    return f"entry := c.env[v{levels + 11}.key]"
+
+
+def set_value(levels: int, data_type: DataType) -> str:
+    return f"retval{get_nested_keys(levels + 1)} = entry.parsed.{data_type.value_type}"
+
+
+def get_loop(levels: int) -> str:
+    return f"for k{levels + 11}, v{levels + 11} := range v{levels + 10}.next {{"
+
+
+def get_function(file: typing.TextIO, levels: int, data_type: DataType):
+    print(get_signature(levels, data_type), file=file)
+    print(get_empty_def(levels, data_type), file=file)
+    print(get_retval_def(levels, 0, data_type), file=file)
+    print("if c.parsed {", file=file)
+    print("key = cleanKey(key)", file=file)
+    print(get_entries(levels), file=file)
+    print("if ok {", file=file)
+    for level in range(levels - 1):
+        print(get_loop(level), file=file)
+        print(get_retval_def(levels, level + 1, data_type), file=file)
+    print(get_loop(levels - 1), file=file)
+    print(get_entry(levels - 1), file=file)
+    print(
+        f"if (entry.dtype.baseType() == {data_type.const_type}.baseType()) && (entry.parsed.err == nil) {{",
+        file=file,
+    )
+    print(set_value(levels - 1, data_type), file=file)
+    print("} else {", file=file)
+    print("return", file=file)
+    print("};" * (levels + 1), file=file)
+    print("return retval", file=file)
+    print("}", file=file)
+    print("}", file=file)
+    print("return", file=file)
+    print("}", file=file)
+
+
+def main():
+    data_types = [
+        DataType(
+            const_type="TypeInt", go_type="int64", sig_type="Int", value_type="intval"
+        ),
+        DataType(
+            const_type="TypeMetric",
+            go_type="int64",
+            sig_type="Metric",
+            value_type="intval",
+        ),
+        DataType(
+            const_type="TypeDuration",
+            go_type="time.Duration",
+            sig_type="Duration",
+            value_type="durval",
+        ),
+        DataType(
+            const_type="TypeString",
+            go_type="string",
+            sig_type="String",
+            value_type="strval",
+        ),
+        DataType(
+            const_type="TypeDirectory",
+            go_type="string",
+            sig_type="Directory",
+            value_type="strval",
+        ),
+        DataType(
+            const_type="TypeBool", go_type="bool", sig_type="Bool", value_type="boolval"
+        ),
+        DataType(
+            const_type="TypeHex", go_type="[]byte", sig_type="Hex", value_type="binval"
+        ),
+    ]
+
+    levels = 5
+
+    with tempfile.TemporaryDirectory() as pathname:
+        code_file = os.path.join(pathname, "code.go")
+        with open(code_file, mode="w", encoding="utf-8") as f:
+            print("package envconf", file=f)
+            print('import "time"', file=f)
+            print(f"type mapEnvType [{levels}]*keyLookupType", file=f)
+            for level in range(levels):
+                for data_type in data_types:
+                    get_function(f, level + 1, data_type)
+        if subprocess.run(["go", "fmt", code_file], check=True).returncode == 0:
+            shutil.copyfile(
+                code_file,
+                os.path.join(
+                    os.path.dirname(os.path.realpath(__file__)), "auto_generated.go"
+                ),
+                follow_symlinks=False,
+            )
+
+
+if __name__ == "__main__":
+    main()

parsers.go

@@ -1,6 +1,7 @@
 package envconf
 
 import (
+	"encoding/hex"
 	"errors"
 	"fmt"
 	"os"
@@ -10,7 +11,7 @@ import (
 	"time"
 )
 
-func parseInt(key string, str string) (ret cValue) {
+func parseInt(key string, str string, _ int) (ret cValue) {
 	val, err := strconv.ParseInt(str, 10, 64)
 	if err == nil {
 		ret.intval = val
@@ -20,7 +21,7 @@ func parseInt(key string, str string) (ret cValue) {
 	return
 }
 
-func parseMetric(key string, str string) (ret cValue) {
+func parseMetric(key string, str string, _ int) (ret cValue) {
 	mod := int64(1)
 	str = strings.ToUpper(str)
 	if strings.HasSuffix(str, "K") {
@@ -45,7 +46,7 @@ func parseMetric(key string, str string) (ret cValue) {
 	return
 }
 
-func parseDuration(key string, str string) (ret cValue) {
+func parseDuration(key string, str string, _ int) (ret cValue) {
 	val, err := time.ParseDuration(str)
 	if err == nil {
 		ret.durval = val
@@ -55,7 +56,7 @@ func parseDuration(key string, str string) (ret cValue) {
 	return
 }
 
-func parseBool(key string, str string) (ret cValue) {
+func parseBool(key string, str string, _ int) (ret cValue) {
 	val, err := strconv.ParseBool(str)
 	if err == nil {
 		ret.boolval = val
@@ -65,7 +66,21 @@ func parseBool(key string, str string) (ret cValue) {
 	return
 }
 
-func parseDirectory(_ string, str string) (ret cValue) {
+func parseHex(key string, str string, size int) (ret cValue) {
+	val, err := hex.DecodeString(str)
+	if err == nil && (size == 0 || size == len(val)) {
+		ret.binval = val
+	} else {
+		if size == 0 {
+			ret.err = errors.New(fmt.Sprintf(`Environment variable "%s" is not of type hex.`, key))
+		} else {
+			ret.err = errors.New(fmt.Sprintf(`Environment variable "%s" is not of type hex%d.`, key, size))
+		}
+	}
+	return
+}
+
+func parseDirectory(_ string, str string, _ int) (ret cValue) {
 	wd, err := os.Getwd()
 	if err == nil {
 		if path.IsAbs(str) {
@@ -79,7 +94,7 @@ func parseDirectory(_ string, str string) (ret cValue) {
 	return
 }
 
-func parseString(_ string, str string) (ret cValue) {
+func parseString(_ string, str string, _ int) (ret cValue) {
 	ret.strval = str
 	return
 }

tests/build.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+dir=$(dirname $(realpath $0))
+export GO111MODULE=on
+export GOPROXY=direct
+export GOPATH=${dir}/buildenv/deps
+
+mkdir -p ${dir}/buildenv
+chmod -R 755 ${dir}/buildenv
+rm -rf ${dir}/buildenv
+
+mkdir -p "${dir}/buildenv/src"
+mkdir -p ${GOPATH}/src
+mkdir -p ${dir}/bin
+
+cp -r "${dir}/main.go" "${dir}/buildenv/src/main.go"
+cd ${dir}/buildenv
+
+go mod init src
+go mod tidy
+
+package_name=$(ls ${dir}/buildenv/deps/pkg/mod/git.purser.it/roypur | tr -d "\n")
+package_dir="${dir}/buildenv/deps/pkg/mod/git.purser.it/roypur/${package_name}"
+
+chmod -R 777 "${dir}/buildenv/deps"
+rm -R "${package_dir}"
+mkdir -p "${package_dir}"
+
+cp $(dirname ${dir})/*.go ${package_dir}
+
+cd "${dir}"
+go build -o "${dir}/bin/test"

tests/main.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"fmt"
+	"git.purser.it/roypur/envconf"
+)
+
+func main() {
+	conf := envconf.NewConfig()
+	conf.Define("this_is_a_map", envconf.TypeInt)
+	conf.DefineMap("test_map", envconf.TypeInt)
+	conf.Parse()
+	conf.Status()
+	fmt.Println(conf.GetMapMapMapMapMapInt("test_map"))
+	fmt.Println(conf.GetInt("this_is_a_map"))
+}

typeinfo.go

@@ -1,7 +1,7 @@
 package envconf
 
 type dataTypeInfo struct {
-	parser func(string, string) cValue
+	parser func(string, string, int) cValue
 	name   string
 }
 
@@ -14,6 +14,8 @@ func init() {
 	var durInfo dataTypeInfo
 	var strInfo dataTypeInfo
 	var dirInfo dataTypeInfo
+	var hexInfo dataTypeInfo
+
 	var boolInfo dataTypeInfo
 
 	intInfo.name = "int"
@@ -21,6 +23,7 @@ func init() {
 	durInfo.name = "duration"
 	dirInfo.name = "directory"
 	strInfo.name = "string"
+	hexInfo.name = "hex"
 	boolInfo.name = "bool"
 
 	intInfo.parser = parseInt
@@ -28,6 +31,8 @@ func init() {
 	durInfo.parser = parseDuration
 	dirInfo.parser = parseDirectory
 	strInfo.parser = parseString
+
+	hexInfo.parser = parseHex
 	boolInfo.parser = parseBool
 
 	tInfo[TypeInt] = intInfo
@@ -35,5 +40,6 @@ func init() {
 	tInfo[TypeDuration] = durInfo
 	tInfo[TypeString] = strInfo
 	tInfo[TypeDirectory] = dirInfo
+	tInfo[TypeHex] = hexInfo
 	tInfo[TypeBool] = boolInfo
 }