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strings: remove a couple of redundant tests

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(per suggestion from Heresy.Mc@gmail.com)

R=rsc
CC=golang-dev
https://golang.org/cl/223052
This commit is contained in:
Robert Griesemer 2010-02-25 10:02:39 -08:00
parent 20834d644f
commit 859e4d51c3
1 changed files with 4 additions and 2 deletions
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6
src/pkg/strings/strings.go
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@ -65,8 +65,9 @@ func Index(s, sep string) int {
} }
return -1 return -1
} }
// n > 1
for i := 0; i+n <= len(s); i++ { for i := 0; i+n <= len(s); i++ {
if s[i] == c && (n == 1 || s[i:i+n] == sep) { if s[i] == c && s[i:i+n] == sep {
return i return i
} }
} }
@ -89,8 +90,9 @@ func LastIndex(s, sep string) int {
} }
return -1 return -1
} }
// n > 1
for i := len(s) - n; i >= 0; i-- { for i := len(s) - n; i >= 0; i-- {
if s[i] == c && (n == 1 || s[i:i+n] == sep) { if s[i] == c && s[i:i+n] == sep {
return i return i
} }
} }