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infinite while loop fixed, redundancy removed

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Alex 2015-10-02 11:13:07 -05:00
parent 2f7acf00e5
commit c726bcae80
1 changed files with 3 additions and 7 deletions
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10
src/string.rs
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@ -66,18 +66,14 @@ pub fn rewrite_string<'a>(s: &str, fmt: &StringFormat<'a>) -> Option<String> {
cur_end = cur_start + max_chars;
// Look for punctuation to break on.
while (!punctuation.contains(graphemes[cur_end - 1])) && cur_end > 1 {
if cur_end > 1 {
cur_end -= 1;
}
cur_end -= 1;
}
// We can't break at whitespace or punctuation, fall back to splitting
// anywhere that doesn't break an escape sequence.
if cur_end < cur_start + MIN_STRING {
cur_end = cur_start + max_chars;
while graphemes[cur_end - 1] == "\\" {
if cur_end > 1 {
cur_end -= 1;
}
while graphemes[cur_end - 1] == "\\" && cur_end > 1 {
cur_end -= 1;
}
}
break;