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package docopt
import (
"fmt"
)
type errorType int
const (
errorUser errorType = iota
errorLanguage
)
func (e errorType) String() string {
switch e {
case errorUser:
return "errorUser"
case errorLanguage:
return "errorLanguage"
}
return ""
}
// UserError records an error with program arguments.
type UserError struct {
msg string
Usage string
}
func (e UserError) Error() string {
return e.msg
}
func newUserError(msg string, f ...interface{}) error {
return &UserError{fmt.Sprintf(msg, f...), ""}
}
// LanguageError records an error with the doc string.
type LanguageError struct {
msg string
}
func (e LanguageError) Error() string {
return e.msg
}
func newLanguageError(msg string, f ...interface{}) error {
return &LanguageError{fmt.Sprintf(msg, f...)}
}
var newError = fmt.Errorf
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