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| author | Erick Tryzelaar <erick.tryzelaar@gmail.com> | 2013-09-11 21:49:25 -0700 |
|---|---|---|
| committer | Erick Tryzelaar <erick.tryzelaar@gmail.com> | 2013-09-12 18:54:13 -0700 |
| commit | ca47eebb44431c1ded5cc5c412d95210f3955ef4 (patch) | |
| tree | 501f108f0835f49ad9216759ddd89ab6ccb7e090 /src/libstd/tuple.rs | |
| parent | 38f97ea10313ba9a8c6f57fbf73ff8daf5376e8b (diff) | |
| download | rust-ca47eebb44431c1ded5cc5c412d95210f3955ef4.tar.gz rust-ca47eebb44431c1ded5cc5c412d95210f3955ef4.zip | |
std: Add a bunch of Default impls
Diffstat (limited to 'src/libstd/tuple.rs')
| -rw-r--r-- | src/libstd/tuple.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/libstd/tuple.rs b/src/libstd/tuple.rs index 5d9ca6202e2..2591131f215 100644 --- a/src/libstd/tuple.rs +++ b/src/libstd/tuple.rs @@ -89,6 +89,7 @@ macro_rules! tuple_impls { pub mod inner { use clone::Clone; #[cfg(not(test))] use cmp::*; + #[cfg(not(test))] use default::Default; #[cfg(not(test))] use num::Zero; $( @@ -173,6 +174,14 @@ macro_rules! tuple_impls { } #[cfg(not(test))] + impl<$($T:Default),+> Default for ($($T,)+) { + #[inline] + fn default() -> ($($T,)+) { + ($({ let x: $T = Default::default(); x},)+) + } + } + + #[cfg(not(test))] impl<$($T:Zero),+> Zero for ($($T,)+) { #[inline] fn zero() -> ($($T,)+) { |