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bytes, strings: add ReplaceAll

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Credit to Harald Nordgren for the proposal in
https://golang.org/cl/137456 and #27864.

Fixes #27864

Change-Id: I80546683b0623124fe4627a71af88add2f6c1c27
Reviewed-on: https://go-review.googlesource.com/137855
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Brad Fitzpatrick 2018-09-26 20:19:11 +00:00
parent 5a8c11ce3e
commit ebdc0b8d68
4 changed files with 30 additions and 0 deletions
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6
src/bytes/bytes_test.go
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@ -1362,6 +1362,12 @@ func TestReplace(t *testing.T) {
if cap(in) == cap(out) && &in[:1][0] == &out[:1][0] {
t.Errorf("Replace(%q, %q, %q, %d) didn't copy", tt.in, tt.old, tt.new, tt.n)
}
if tt.n == -1 {
out := ReplaceAll(in, []byte(tt.old), []byte(tt.new))
if s := string(out); s != tt.out {
t.Errorf("ReplaceAll(%q, %q, %q) = %q, want %q", tt.in, tt.old, tt.new, s, tt.out)
}
}
}
}