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Add str representation for HashSet.

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This commit is contained in:
Samuel Chase 2013-05-11 19:18:14 +05:30
parent b8d0ebe124
commit e2c73ccaf2
1 changed files with 18 additions and 0 deletions
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18
src/libcore/to_str.rs
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@ -72,6 +72,24 @@ impl<A:ToStr+Hash+Eq, B:ToStr+Hash+Eq> ToStr for HashMap<A, B> {
}
}
impl<A:ToStr+Hash+Eq> ToStr for HashSet<A> {
#[inline(always)]
fn to_str(&self) -> ~str {
let mut acc = ~"{", first = true;
for self.each |element| {
if first {
first = false;
}
else {
acc.push_str(", ");
}
acc.push_str(element.to_str());
}
acc.push_char('}');
acc
}
}
impl<A:ToStr,B:ToStr> ToStr for (A, B) {
#[inline(always)]
fn to_str(&self) -> ~str {