| // Copyright 2009 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package os |
| |
| // An Error can represent any printable error condition. |
| type Error interface { |
| String() string |
| } |
| |
| // A helper type that can be embedded or wrapped to simplify satisfying |
| // Error. |
| type ErrorString string |
| |
| func (e ErrorString) String() string { return string(e) } |
| func (e ErrorString) Temporary() bool { return false } |
| func (e ErrorString) Timeout() bool { return false } |
| |
| // Note: If the name of the function NewError changes, |
| // pkg/go/doc/doc.go should be adjusted since it hardwires |
| // this name in a heuristic. |
| |
| // NewError converts s to an ErrorString, which satisfies the Error interface. |
| func NewError(s string) Error { return ErrorString(s) } |
| |
| // PathError records an error and the operation and file path that caused it. |
| type PathError struct { |
| Op string |
| Path string |
| Error Error |
| } |
| |
| func (e *PathError) String() string { return e.Op + " " + e.Path + ": " + e.Error.String() } |