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38 lines
872 B
38 lines
872 B
3 years ago
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// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package errors
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import (
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"errors"
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"fmt"
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)
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// errorString is a trivial implementation of error.
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type errorString struct {
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s string
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frame Frame
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}
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// New returns an error that formats as the given text.
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//
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// The returned error contains a Frame set to the caller's location and
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// implements Formatter to show this information when printed with details.
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func New(text string) error {
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if !Trace() {
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return errors.New(text)
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}
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return &errorString{text, Caller(1)}
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}
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func (e *errorString) Error() string { return e.s }
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func (e *errorString) Format(s fmt.State, v rune) { FormatError(e, s, v) }
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func (e *errorString) FormatError(p Printer) (next error) {
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p.Print(e.s)
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e.frame.Format(p)
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return nil
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}
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