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more "declared and not used".

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the last round omitted := range and only
checked 1 out of N vars in a multi-var :=

R=r
OCL=34624
CL=34638
This commit is contained in:
Russ Cox 2009-09-15 09:41:59 -07:00
parent 1a3198907b
commit ca6a0fee1b
95 changed files with 221 additions and 218 deletions
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12
src/pkg/strings/strings.go
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@ -157,7 +157,7 @@ func Map(mapping func(rune int) int, s string) string {
maxbytes := len(s); // length of b
nbytes := 0; // number of bytes encoded in b
b := make([]byte, maxbytes);
for i, c := range s {
for _, c := range s {
rune := mapping(c);
wid := 1;
if rune >= utf8.RuneSelf {
@ -196,8 +196,8 @@ func Title(s string) string {
// removed, as defined by Unicode.
func TrimSpace(s string) string {
start, end := 0, len(s);
for wid := 0; start < end; start += wid {
wid = 1;
for start < end {
wid := 1;
rune := int(s[start]);
if rune >= utf8.RuneSelf {
rune, wid = utf8.DecodeRuneInString(s[start:end])
@ -205,9 +205,10 @@ func TrimSpace(s string) string {
if !unicode.IsSpace(rune) {
break;
}
start += wid;
}
for wid := 0; start < end; end -= wid {
wid = 1;
for start < end {
wid := 1;
rune := int(s[end-1]);
if rune >= utf8.RuneSelf {
// Back up carefully looking for beginning of rune. Mustn't pass start.
@ -221,6 +222,7 @@ func TrimSpace(s string) string {
if !unicode.IsSpace(rune) {
break;
}
end -= wid;
}
return s[start:end];
}