errors.go

package just

import "errors"

// ErrIsAnyOf returns true when at least one expression
// `errors.Is(err, errSlice[N])` return true.
func ErrIsAnyOf(err error, errSlice ...error) bool {
	for i := range errSlice {
		if errors.Is(err, errSlice[i]) {
			return true
		}
	}

	return false
}

// ErrIsNotAnyOf returns true when all errors from errSlice are not
// `errors.Is(err, errSlice[N])`.
func ErrIsNotAnyOf(err error, errSlice ...error) bool {
	for i := range errSlice {
		if errors.Is(err, errSlice[i]) {
			return false
		}
	}

	return true
}

// ErrAs provide a more handful way to match the error.
func ErrAs[T any](err error) (T, bool) {
	var target T
	if errors.As(err, &target) {
		return target, true
	}

	return target, false
}