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unavailable.go
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/
unavailable.go
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package errors
import (
"fmt"
)
var (
_ Unavailable = (*UnavailableError)(nil)
_ Error = (*UnavailableError)(nil)
)
type Unavailable interface {
error
IsUnavailable()
}
type UnavailableError struct {
*CaosError
}
func ThrowUnavailable(parent error, id, message string) error {
return &UnavailableError{CreateCaosError(parent, id, message)}
}
func ThrowUnavailablef(parent error, id, format string, a ...interface{}) error {
return ThrowUnavailable(parent, id, fmt.Sprintf(format, a...))
}
func (err *UnavailableError) IsUnavailable() {}
func IsUnavailable(err error) bool {
_, ok := err.(Unavailable)
return ok
}
func (err *UnavailableError) Is(target error) bool {
t, ok := target.(*UnavailableError)
if !ok {
return false
}
return err.CaosError.Is(t.CaosError)
}
func (err *UnavailableError) Unwrap() error {
return err.CaosError
}