mirror of
https://github.com/openharmony/third_party_rust_pin-utils.git
synced 2026-06-30 21:47:59 -04:00
chore(lib): 0.1.0 release candidate. Using core library directly and clean up docs
This commit is contained in:
+1
-1
@@ -1,7 +1,7 @@
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[package]
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name = "pin-utils"
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edition = "2018"
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version = "0.1.0-alpha.4"
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version = "0.1.0"
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authors = ["Josef Brandl <mail@josefbrandl.de>"]
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license = "MIT OR Apache-2.0"
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readme = "README.md"
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+5
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@@ -4,14 +4,9 @@
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#![warn(missing_docs, missing_debug_implementations)]
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#![deny(bare_trait_objects)]
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#![allow(unknown_lints)]
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#![doc(html_root_url = "https://docs.rs/pin-utils/0.1.0")]
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#![doc(html_root_url = "https://docs.rs/pin-utils/0.1.0-alpha.4")]
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#[doc(hidden)]
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pub mod core_reexport {
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#[doc(hidden)]
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pub use core::*;
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}
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#[macro_use] mod stack_pin;
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#[macro_use] mod projection;
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#[macro_use]
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mod stack_pin;
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#[macro_use]
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mod projection;
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+20
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@@ -1,5 +1,7 @@
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/// A pinned projection of a struct field.
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///
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/// # Safety
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///
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/// To make using this macro safe, three things need to be ensured:
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/// - If the struct implements [`Drop`], the [`drop`] method is not allowed to
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/// move the value of the field.
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@@ -7,7 +9,9 @@
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/// The struct can only implement [`Unpin`] if the field's type is [`Unpin`].
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/// - The struct must not be `#[repr(packed)]`.
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///
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/// ```
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/// # Example
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///
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/// ```rust
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/// use pin_utils::unsafe_pinned;
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/// use std::marker::Unpin;
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/// use std::pin::Pin;
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@@ -27,7 +31,7 @@
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/// impl<T: Unpin> Unpin for Foo<T> {} // Conditional Unpin impl
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/// ```
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///
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/// Note that borrowing the field multiple times requires using `.as_mut()` to
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/// Note: borrowing the field multiple times requires using `.as_mut()` to
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/// avoid consuming the `Pin`.
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///
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/// [`Unpin`]: core::marker::Unpin
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@@ -37,10 +41,10 @@ macro_rules! unsafe_pinned {
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($f:tt: $t:ty) => (
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#[allow(unsafe_code)]
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fn $f<'__a>(
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self: $crate::core_reexport::pin::Pin<&'__a mut Self>
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) -> $crate::core_reexport::pin::Pin<&'__a mut $t> {
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self: ::core::pin::Pin<&'__a mut Self>
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) -> ::core::pin::Pin<&'__a mut $t> {
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unsafe {
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$crate::core_reexport::pin::Pin::map_unchecked_mut(
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::core::pin::Pin::map_unchecked_mut(
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self, |x| &mut x.$f
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)
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}
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@@ -50,15 +54,16 @@ macro_rules! unsafe_pinned {
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/// An unpinned projection of a struct field.
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///
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/// # Safety
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///
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/// This macro is unsafe because it creates a method that returns a normal
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/// non-pin reference to the struct field. It is up to the programmer to ensure
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/// that the contained value can be considered not pinned in the current
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/// context.
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///
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/// Note that borrowing the field multiple times requires using `.as_mut()` to
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/// avoid consuming the `Pin`.
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/// # Example
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///
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/// ```
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/// ```rust
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/// use pin_utils::unsafe_unpinned;
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/// use std::pin::Pin;
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///
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@@ -75,15 +80,20 @@ macro_rules! unsafe_pinned {
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/// }
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/// }
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/// ```
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///
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/// Note: borrowing the field multiple times requires using `.as_mut()` to
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/// avoid consuming the [`Pin`].
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///
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/// [`Pin`]: core::pin::Pin
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#[macro_export]
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macro_rules! unsafe_unpinned {
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($f:tt: $t:ty) => (
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#[allow(unsafe_code)]
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fn $f<'__a>(
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self: $crate::core_reexport::pin::Pin<&'__a mut Self>
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self: ::core::pin::Pin<&'__a mut Self>
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) -> &'__a mut $t {
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unsafe {
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&mut $crate::core_reexport::pin::Pin::get_unchecked_mut(self).$f
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&mut ::core::pin::Pin::get_unchecked_mut(self).$f
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}
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}
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)
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+4
-2
@@ -1,6 +1,8 @@
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/// Pins a value on the stack.
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///
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/// ```
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/// # Example
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///
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/// ```rust
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/// # use pin_utils::pin_mut;
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/// # use core::pin::Pin;
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/// # struct Foo {}
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@@ -17,7 +19,7 @@ macro_rules! pin_mut {
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// ever again.
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#[allow(unused_mut)]
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let mut $x = unsafe {
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$crate::core_reexport::pin::Pin::new_unchecked(&mut $x)
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::core::pin::Pin::new_unchecked(&mut $x)
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};
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)* }
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}
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