diff options
Diffstat (limited to 'src/libstd/to_str.rs')
| -rw-r--r-- | src/libstd/to_str.rs | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/libstd/to_str.rs b/src/libstd/to_str.rs index ea0e212b14f..77701acd33e 100644 --- a/src/libstd/to_str.rs +++ b/src/libstd/to_str.rs @@ -53,7 +53,8 @@ impl<A:ToStr> ToStr for (A,) { impl<A:ToStr+Hash+Eq, B:ToStr+Hash+Eq> ToStr for HashMap<A, B> { #[inline] fn to_str(&self) -> ~str { - let mut (acc, first) = (~"{", true); + let mut acc = ~"{"; + let mut first = true; for self.iter().advance |(key, value)| { if first { first = false; @@ -73,7 +74,8 @@ impl<A:ToStr+Hash+Eq, B:ToStr+Hash+Eq> ToStr for HashMap<A, B> { impl<A:ToStr+Hash+Eq> ToStr for HashSet<A> { #[inline] fn to_str(&self) -> ~str { - let mut (acc, first) = (~"{", true); + let mut acc = ~"{"; + let mut first = true; for self.iter().advance |element| { if first { first = false; @@ -121,7 +123,8 @@ impl<A:ToStr,B:ToStr,C:ToStr> ToStr for (A, B, C) { impl<'self,A:ToStr> ToStr for &'self [A] { #[inline] fn to_str(&self) -> ~str { - let mut (acc, first) = (~"[", true); + let mut acc = ~"["; + let mut first = true; for self.iter().advance |elt| { if first { first = false; @@ -139,7 +142,8 @@ impl<'self,A:ToStr> ToStr for &'self [A] { impl<A:ToStr> ToStr for ~[A] { #[inline] fn to_str(&self) -> ~str { - let mut (acc, first) = (~"[", true); + let mut acc = ~"["; + let mut first = true; for self.iter().advance |elt| { if first { first = false; @@ -157,7 +161,8 @@ impl<A:ToStr> ToStr for ~[A] { impl<A:ToStr> ToStr for @[A] { #[inline] fn to_str(&self) -> ~str { - let mut (acc, first) = (~"[", true); + let mut acc = ~"["; + let mut first = true; for self.iter().advance |elt| { if first { first = false; |