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Add paragraph to ControlFlow docs to menion it works with the ? operator (#88715)

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chrismit3s 2021-10-01 21:55:35 +02:00
parent ed937594d3
commit 081fe300e7
1 changed files with 7 additions and 0 deletions
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7
library/core/src/ops/control_flow.rs
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@ -7,6 +7,10 @@ use crate::{convert, ops};
/// Having the enum makes it clearer -- no more wondering "wait, what did `false`
/// mean again?" -- and allows including a value.
///
/// Similar to [`Option`] and [`Result`], this enum can be used with the `?` operator
/// to return immediatly if the [`Break`] variant is present or to continue normally
/// with the value inside the [`Continue`] variant.
///
/// # Examples
///
/// Early-exiting from [`Iterator::try_for_each`]:
@ -46,6 +50,9 @@ use crate::{convert, ops};
/// }
/// }
/// ```
///
/// [`Break`]: ControlFlow::Break
/// [`Continue`]: ControlFlow::Continue
#[stable(feature = "control_flow_enum_type", since = "1.55.0")]
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum ControlFlow<B, C = ()> {