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Use push_str() instead of extend()

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This commit is contained in:
Yuheng Chen 2016-11-24 18:10:49 +08:00
parent 7e5f273d99
commit 864c7e0829
1 changed files with 12 additions and 12 deletions
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24
saphyr/src/scanner.rs
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@ -1082,11 +1082,11 @@ impl<T: Iterator<Item=char>> Scanner<T> {
}
leading_break.clear();
} else {
string.extend(leading_break.chars());
string.push_str(&leading_break);
leading_break.clear();
}
string.extend(trailing_breaks.chars());
string.push_str(&trailing_breaks);
trailing_breaks.clear();
leading_blank = is_blank(self.ch());
@ -1108,11 +1108,11 @@ impl<T: Iterator<Item=char>> Scanner<T> {
// Chomp the tail.
if chomping != -1 {
string.extend(leading_break.chars());
string.push_str(&leading_break);
}
if chomping == 1 {
string.extend(trailing_breaks.chars());
string.push_str(&trailing_breaks);
}
if literal {
@ -1327,21 +1327,21 @@ impl<T: Iterator<Item=char>> Scanner<T> {
// Join the whitespaces or fold line breaks.
if leading_blanks {
if leading_break.is_empty() {
string.extend(leading_break.chars());
string.extend(trailing_breaks.chars());
string.push_str(&leading_break);
string.push_str(&trailing_breaks);
trailing_breaks.clear();
leading_break.clear();
} else {
if trailing_breaks.is_empty() {
string.push(' ');
} else {
string.extend(trailing_breaks.chars());
string.push_str(&trailing_breaks);
trailing_breaks.clear();
}
leading_break.clear();
}
} else {
string.extend(whitespaces.chars());
string.push_str(&whitespaces);
whitespaces.clear();
}
} // loop
@ -1408,15 +1408,15 @@ impl<T: Iterator<Item=char>> Scanner<T> {
if leading_blanks || !whitespaces.is_empty() {
if leading_blanks {
if leading_break.is_empty() {
string.extend(leading_break.chars());
string.extend(trailing_breaks.chars());
string.push_str(&leading_break);
string.push_str(&trailing_breaks);
trailing_breaks.clear();
leading_break.clear();
} else {
if trailing_breaks.is_empty() {
string.push(' ');
} else {
string.extend(trailing_breaks.chars());
string.push_str(&trailing_breaks);
trailing_breaks.clear();
}
leading_break.clear();
@ -1424,7 +1424,7 @@ impl<T: Iterator<Item=char>> Scanner<T> {
}
leading_blanks = false;
} else {
string.extend(whitespaces.chars());
string.push_str(&whitespaces);
whitespaces.clear();
}
}