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Yuki Okushi
7ca833efe0
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`.