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Rollup merge of #104074 - yancyribbens:add-example-to-round, r=Mark-Simulacrum

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rustdoc: Add an example for round that is different from truncate

The current examples for [round](https://github.com/rust-lang/rust/blob/master/library/std/src/f64.rs#L75) would have the same results as the example for [truncate](https://github.com/rust-lang/rust/blob/master/library/std/src/f64.rs#L95).  This PR adds one more example to `round` that will have a different result from `truncate`.
This commit is contained in:
Yuki Okushi 2022-11-07 09:46:29 +09:00 committed by GitHub
commit 7ca833efe0
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2
library/std/src/f32.rs
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@ -77,9 +77,11 @@ impl f32 {
/// ```
/// let f = 3.3_f32;
/// let g = -3.3_f32;
/// let h = -3.7_f32;
///
/// assert_eq!(f.round(), 3.0);
/// assert_eq!(g.round(), -3.0);
/// assert_eq!(h.round(), -4.0);
/// ```
#[rustc_allow_incoherent_impl]
#[must_use = "method returns a new number and does not mutate the original value"]

2
library/std/src/f64.rs
View File

@ -77,9 +77,11 @@ impl f64 {
/// ```
/// let f = 3.3_f64;
/// let g = -3.3_f64;
/// let h = -3.7_f64;
///
/// assert_eq!(f.round(), 3.0);
/// assert_eq!(g.round(), -3.0);
/// assert_eq!(h.round(), -4.0);
/// ```
#[rustc_allow_incoherent_impl]
#[must_use = "method returns a new number and does not mutate the original value"]