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Add feature flag to reference docs for RFC 1623.

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Chris Krycho 2017-01-28 09:42:32 -05:00 committed by Manish Goregaokar
parent b836c03d9d
commit 9797537daf
1 changed files with 2 additions and 1 deletions
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@ -1376,7 +1376,7 @@ unsafe fn bump_levels_unsafe2() -> u32 {
Mutable statics have the same restrictions as normal statics, except that the
type of the value is not required to ascribe to `Sync`.
#### `'static` lifetime elision
#### `'static` lifetime elision [unstable]
Both constant and static declarations of reference types have *implicit*
`'static` lifetimes unless an explicit lifetime is specified. As such, the
@ -1384,6 +1384,7 @@ constant declarations involving `'static` above may be written without the
lifetimes. Returning to our previous example:
```rust
#[feature(static_in_const)]
const BIT1: u32 = 1 << 0;
const BIT2: u32 = 1 << 1;