diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/pkg/strings/strings.go | 2 | ||||
| -rw-r--r-- | src/pkg/strings/strings_test.go | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/src/pkg/strings/strings.go b/src/pkg/strings/strings.go index 89da9dc224..e3989c7582 100644 --- a/src/pkg/strings/strings.go +++ b/src/pkg/strings/strings.go @@ -463,7 +463,7 @@ func lastIndexFunc(s string, f func(r int) bool, truth bool) int { } } if start < 0 { - return -1 + start = 0 } var wid int rune, wid = utf8.DecodeRuneInString(s[start:end]) diff --git a/src/pkg/strings/strings_test.go b/src/pkg/strings/strings_test.go index 3206f5e143..57bc7a3b37 100644 --- a/src/pkg/strings/strings_test.go +++ b/src/pkg/strings/strings_test.go @@ -514,6 +514,7 @@ var indexFuncTests = []IndexFuncTest{ IndexFuncTest{"\xc0☺\xc0\xc0", not(isValidRune), 0, 5}, IndexFuncTest{"ab\xc0a\xc0cd", not(isValidRune), 2, 4}, IndexFuncTest{"a\xe0\x80cd", not(isValidRune), 1, 2}, + IndexFuncTest{"\x80\x80\x80\x80", not(isValidRune), 0, 3}, } func TestIndexFunc(t *testing.T) { |