diff options
| author | Andy Pan <panjf2000@gmail.com> | 2023-03-02 11:57:24 +0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2023-03-11 05:07:02 +0000 |
| commit | 70f98a251efdbfd619c4ff466a43da299ad04752 (patch) | |
| tree | 94b7b9c98cff303c052fb5f3685111f43735b909 /src/errors | |
| parent | d9c29ec6a54f929f4b0736db6b7598a4c2305e5e (diff) | |
| download | go-70f98a251efdbfd619c4ff466a43da299ad04752.tar.xz | |
errors: add ErrUnsupported
Fixes #41198
Change-Id: Ib33a11d0eb311f8e2b81de24d11df49e00b2fc81
Reviewed-on: https://go-review.googlesource.com/c/go/+/473935
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Andy Pan <panjf2000@gmail.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Diffstat (limited to 'src/errors')
| -rw-r--r-- | src/errors/errors.go | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/errors/errors.go b/src/errors/errors.go index 8436f812a6..26db2d2bbf 100644 --- a/src/errors/errors.go +++ b/src/errors/errors.go @@ -70,3 +70,18 @@ type errorString struct { func (e *errorString) Error() string { return e.s } + +// ErrUnsupported indicates that a requested operation cannot be performed, +// because it is unsupported. For example, a call to os.Link when using a +// file system that does not support hard links. +// +// Functions and methods should not return this error but should instead +// return an error including appropriate context that satisfies +// +// errors.Is(err, errors.ErrUnsupported) +// +// either by directly wrapping ErrUnsupported or by implementing an Is method. +// +// Functions and methods should document the cases in which an error +// wrapping this will be returned. +var ErrUnsupported = New("unsupported operation") |