envconf/datatype.go

package envconf
import ("time")

type DataType int
const (
    TypeNone DataType = iota
    TypeInt DataType = iota
    TypeMetric DataType = iota
    TypeDuration DataType = iota
    TypeString DataType = iota
    TypeDirectory DataType = iota
    TypeBool DataType = iota
)

type cValue struct {
    dtype DataType
    intval int64
    durval time.Duration
    boolval bool
    strval string
    err error
}

func (dtype DataType) parse(key string, str string)(ret cValue) {
    info, ok := tInfo[dtype]
    if ok {
        return info.parser(key, str)
    }
    return
}
func (dtype DataType) String()(string) {
    info, ok := tInfo[dtype]
    if ok {
        return info.name
    }
    return "invalid"
}