1// Copyright 2011 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package xerrors
6
7import "fmt"
8
9// errorString is a trivial implementation of error.
10type errorString struct {
11	s     string
12	frame Frame
13}
14
15// New returns an error that formats as the given text.
16//
17// The returned error contains a Frame set to the caller's location and
18// implements Formatter to show this information when printed with details.
19func New(text string) error {
20	return &errorString{text, Caller(1)}
21}
22
23func (e *errorString) Error() string {
24	return e.s
25}
26
27func (e *errorString) Format(s fmt.State, v rune) { FormatError(e, s, v) }
28
29func (e *errorString) FormatError(p Printer) (next error) {
30	p.Print(e.s)
31	e.frame.Format(p)
32	return nil
33}
34