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This commit is contained in:
Ralf Jung 2019-06-19 15:11:54 +02:00
parent f250951702
commit bf03a3c539
1 changed files with 4 additions and 2 deletions
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6
src/libcore/pin.rs
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@ -212,7 +212,8 @@
//! As the author of a data structure you get to decide for each field whether pinning
//! "propagates" to this field or not. Pinning that propagates is also called "structural",
//! because it follows the structure of the type.
//! In the following, we describe the considerations that have to be made for either choice.
//! In the following subsections, we describe the considerations that have to be made
//! for either choice.
//!
//! ## Pinning *is not* structural for `field`
//!
@ -221,7 +222,8 @@
//! nothing can go wrong! So, if you decide that some field does not have structural pinning,
//! all you have to ensure is that you never create a pinned reference to that field.
//!
//! Then you may add a projection method that turns `Pin<&mut Struct>` into `&mut Field`:
//! Fields without structural pinning may have a projection method that turns
//! `Pin<&mut Struct>` into `&mut Field`:
//! ```rust,no_run
//! # use std::pin::Pin;
//! # type Field = i32;