Function WithStack

errors.go:145–153

WithStack annotates err with a stack trace at the point WithStack was called. If err is nil, WithStack returns nil.

(err error)

// WithStack annotates err with a stack trace at the point WithStack was called.
// If err is nil, WithStack returns nil.
func WithStack(err error) error {
	if err == nil {
		return nil
	}
	return &withStack{
		err,
		callers(),
	}
}

type withStack struct {
	error