go

Appearance

errors ​

Helpers extending the standard errors package.

Import ​

go
import errorsx "github.com/foomo/go/errors"

API ​

AsAny ​

go
func AsAny(err error, targets ...any) bool

Reports whether err matches any of the targets via errors.As. Each target must be a non-nil pointer to either a type that implements error, or to any interface type.

IsAny ​

go
func IsAny(err error, targets ...error) bool

Reports whether err matches any of the targets via errors.Is.

Examples ​

AsAny ​

go
var (
	pathErr *fs.PathError
	numErr  *strconv.NumError
)

_, err := os.Open("/nonexistent/path")
if errorsx.AsAny(err, &numErr, &pathErr) {
	// err unwrapped into one of the targets
}

IsAny ​

go
err := fmt.Errorf("wrapped: %w", io.EOF)
if errorsx.IsAny(err, context.Canceled, io.EOF) {
	// err matches one of the sentinels
}