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| author | Erick Tryzelaar <erick.tryzelaar@gmail.com> | 2013-09-09 19:29:11 -0700 |
|---|---|---|
| committer | Erick Tryzelaar <erick.tryzelaar@gmail.com> | 2013-09-12 18:54:12 -0700 |
| commit | 4a73c8eac7660735822f7d43ac8be2b40b2e1d93 (patch) | |
| tree | f26db56b2fa053d633d6a902596c7238b4a12a8b /src/libstd | |
| parent | 653400a7f0567ed1697ea9181132f7aaca5b2aae (diff) | |
| download | rust-4a73c8eac7660735822f7d43ac8be2b40b2e1d93.tar.gz rust-4a73c8eac7660735822f7d43ac8be2b40b2e1d93.zip | |
std: add default implementations to Option
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/option.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libstd/option.rs b/src/libstd/option.rs index 5ac6fcda043..1f3a31a403c 100644 --- a/src/libstd/option.rs +++ b/src/libstd/option.rs @@ -43,6 +43,7 @@ let unwrapped_msg = match msg { use clone::Clone; use cmp::{Eq,Ord}; +use default::Default; use util; use num::Zero; use iter; @@ -349,6 +350,10 @@ impl<T> Option<T> { } } +impl<T> Default for Option<T> { + fn default() -> Option<T> { None } +} + impl<T:Zero> Option<T> { /// Returns the contained value or zero (for this type) #[inline] |