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firefox/third_party/rust/pin-project-lite/tests/proper_unpin.rs
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

101 lines
2 KiB
Rust

// SPDX-License-Identifier: Apache-2.0 OR MIT
#![allow(dead_code)]
#[macro_use]
mod auxiliary;
pub mod default {
use std::marker::PhantomPinned;
use pin_project_lite::pin_project;
struct Inner<T> {
f: T,
}
assert_unpin!(Inner<()>);
assert_not_unpin!(Inner<PhantomPinned>);
pin_project! {
struct Struct<T, U> {
#[pin]
f1: Inner<T>,
f2: U,
}
}
assert_unpin!(Struct<(), ()>);
assert_unpin!(Struct<(), PhantomPinned>);
assert_not_unpin!(Struct<PhantomPinned, ()>);
assert_not_unpin!(Struct<PhantomPinned, PhantomPinned>);
pin_project! {
#[project = EnumProj]
#[project_ref = EnumProjRef]
enum Enum<T, U> {
V1 {
#[pin]
f1: Inner<T>,
f2: U,
},
}
}
assert_unpin!(Enum<(), ()>);
assert_unpin!(Enum<(), PhantomPinned>);
assert_not_unpin!(Enum<PhantomPinned, ()>);
assert_not_unpin!(Enum<PhantomPinned, PhantomPinned>);
pin_project! {
#[project(!Unpin)]
enum NotUnpinEnum<T, U> {
V1 {
#[pin] f1: Inner<T>,
f2: U,
}
}
}
assert_not_unpin!(NotUnpinEnum<(), ()>);
pin_project! {
struct TrivialBounds {
#[pin]
f: PhantomPinned,
}
}
assert_not_unpin!(TrivialBounds);
pin_project! {
struct PinRef<'a, T, U> {
#[pin]
f1: &'a mut Inner<T>,
f2: U,
}
}
assert_unpin!(PinRef<'_, PhantomPinned, PhantomPinned>);
pin_project! {
#[project(!Unpin)]
struct NotUnpin<U> {
#[pin]
u: U
}
}
assert_not_unpin!(NotUnpin<()>);
pin_project! {
#[project(!Unpin)]
struct NotUnpinRef<'a, T, U> {
#[pin]
f1: &'a mut Inner<T>,
f2: U
}
}
assert_not_unpin!(NotUnpinRef<'_, (), ()>);
}