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errors: fix comment referencing the Wrapper interface

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The Unwrap function performs a type assertion looking for the Wrapper
interface. The method of that interface is called Unwrap but the
interface itself is called Wrapper.

Change-Id: Ie3bf296f93b773d36015bcab2a0e6585d39783c7
GitHub-Last-Rev: 32b1a0c2f8bf8f3eaebf6de252571d82313e86e0
GitHub-Pull-Request: golang/go#31794
Reviewed-on: https://go-review.googlesource.com/c/go/+/174917
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Jacob Walker 2019-05-02 03:45:08 +00:00 committed by Brad Fitzpatrick
parent 762953be28
commit 74b3c50eeb
1 changed files with 1 additions and 1 deletions
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2
src/errors/wrap.go
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@ -34,7 +34,7 @@ func (e noWrapper) FormatError(p Printer) (next error) {
} }
// Unwrap returns the result of calling the Unwrap method on err, if err // Unwrap returns the result of calling the Unwrap method on err, if err
// implements Unwrap. Otherwise, Unwrap returns nil. // implements Wrapper. Otherwise, Unwrap returns nil.
func Unwrap(err error) error { func Unwrap(err error) error {
u, ok := err.(Wrapper) u, ok := err.(Wrapper)
if !ok { if !ok {