From caab16fa20c582f1c7e39f835286482eaa51710a Mon Sep 17 00:00:00 2001 From: Daiki Ihara Date: Thu, 10 Dec 2020 01:03:44 +0900 Subject: [PATCH] Update const-fn doc in unstable-book Update src/doc/unstable-book/src/language-features/const-fn.md Co-authored-by: Ivan Tham --- .../src/language-features/const-fn.md | 23 ++----------------- 1 file changed, 2 insertions(+), 21 deletions(-) diff --git a/src/doc/unstable-book/src/language-features/const-fn.md b/src/doc/unstable-book/src/language-features/const-fn.md index 50dbbaf56743c..bcf7f78b8fe0d 100644 --- a/src/doc/unstable-book/src/language-features/const-fn.md +++ b/src/doc/unstable-book/src/language-features/const-fn.md @@ -6,24 +6,5 @@ The tracking issue for this feature is: [#57563] ------------------------ -The `const_fn` feature allows marking free functions and inherent methods as -`const`, enabling them to be called in constants contexts, with constant -arguments. - -## Examples - -```rust -#![feature(const_fn)] - -const fn double(x: i32) -> i32 { - x * 2 -} - -const FIVE: i32 = 5; -const TEN: i32 = double(FIVE); - -fn main() { - assert_eq!(5, FIVE); - assert_eq!(10, TEN); -} -``` +The `const_fn` feature enables additional functionality not stabilized in the +[minimal subset of `const_fn`](https://github.com/rust-lang/rust/issues/53555)