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Changelog

All notable changes to this project will be documented in this file.

This project adheres to Semantic Versioning.

Unreleased

0.2.4 - 2021-01-11

Add project_replace.

0.2.3 - 2021-01-09

Suppress clippy::unknown_clippy_lints lint in generated code.

0.2.2 - 2021-01-09

Suppress clippy::ref_option_ref lint in generated code.

0.2.1 - 2021-01-05

Exclude unneeded files from crates.io.

0.2.0 - 2020-11-13

pin_project! macro now supports enums.

To use pin_project! on enums, you need to name the projection type returned from the method.

use pin_project_lite::pin_project;
use std::pin::Pin;

pin_project! {
    #[project = EnumProj]
    enum Enum<T, U> {
        Variant { #[pin] pinned: T, unpinned: U },
    }
}

impl<T, U> Enum<T, U> {
    fn method(self: Pin<&mut Self>) {
        match self.project() {
            EnumProj::Variant { pinned, unpinned } => {
                let _: Pin<&mut T> = pinned;
                let _: &mut U = unpinned;
            }
        }
    }
}

Support naming the projection types.

By passing an attribute with the same name as the method, you can name the projection type returned from the method:

use pin_project_lite::pin_project;
use std::pin::Pin;

pin_project! {
    #[project = StructProj]
    struct Struct<T> {
        #[pin]
        field: T,
    }
}

fn func<T>(x: Pin<&mut Struct<T>>) {
    let StructProj { field } = x.project();
    let _: Pin<&mut T> = field;
}

0.1.11 - 2020-10-20

Suppress clippy::redundant_pub_crate lint in generated code.
Documentation improvements.

0.1.10 - 2020-10-01

Suppress drop_bounds lint, which will be added to rustc in the future. See taiki-e/pin-project#272 for more details.

0.1.9 - 2020-09-29

Fix trailing comma support in generics.

0.1.8 - 2020-09-26

Fix compatibility of generated code with forbid(future_incompatible).

Note: This does not guarantee compatibility with forbid(future_incompatible) in the future. If rustc adds a new lint, we may not be able to keep this.