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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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15
src/pkg/bytes/bytes.go
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@ -190,8 +190,8 @@ func Map(mapping func(rune int) int, s []byte) []byte {
maxbytes := len(s); // length of b
nbytes := 0; // number of bytes encoded in b
b := make([]byte, maxbytes);
for wid, i := 0, 0; i < len(s); i += wid {
wid = 1;
for i := 0; i < len(s); {
wid := 1;
rune := int(s[i]);
if rune < utf8.RuneSelf {
rune = mapping(rune);
@ -209,6 +209,7 @@ func Map(mapping func(rune int) int, s []byte) []byte {
b = nb;
}
nbytes += utf8.EncodeRune(rune, b[nbytes:maxbytes]);
i += wid;
}
return b[0:nbytes];
}
@ -232,8 +233,8 @@ func Title(s []byte) []byte {
// removed, as defined by Unicode.
func TrimSpace(s []byte) []byte {
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.DecodeRune(s[start:end])
@ -241,9 +242,10 @@ func TrimSpace(s []byte) []byte {
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.
@ -257,6 +259,7 @@ func TrimSpace(s []byte) []byte {
if !unicode.IsSpace(rune) {
break;
}
end -= wid;
}
return s[start:end];
}