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#![forbid(unsafe_code)]
#![warn(rust_2018_idioms, single_use_lifetimes)]
#![allow(dead_code)]
// default #[pin_project], PinnedDrop, Replace, and !Unpin are completely safe.
use pin_project::{pin_project, pinned_drop};
use std::pin::Pin;
#[pin_project]
pub struct StructDefault<T, U> {
#[pin]
pub pinned: T,
pub unpinned: U,
}
#[pin_project(PinnedDrop)]
pub struct StructPinnedDrop<T, U> {
#[pin]
pub pinned: T,
pub unpinned: U,
}
#[pinned_drop]
impl<T, U> PinnedDrop for StructPinnedDrop<T, U> {
fn drop(self: Pin<&mut Self>) {}
}
#[pin_project(Replace)]
pub struct StructReplace<T, U> {
#[pin]
pub pinned: T,
pub unpinned: U,
}
// UnsafeUnpin without UnsafeUnpin impl is also safe
#[pin_project(UnsafeUnpin)]
pub struct StructUnsafeUnpin<T, U> {
#[pin]
pub pinned: T,
pub unpinned: U,
}
#[pin_project(!Unpin)]
pub struct StructNotUnpin<T, U> {
#[pin]
pub pinned: T,
pub unpinned: U,
}
#[pin_project]
pub enum EnumDefault<T, U> {
Struct {
#[pin]
pinned: T,
unpinned: U,
},
Tuple(#[pin] T, U),
}
#[pin_project(PinnedDrop)]
pub enum EnumPinnedDrop<T, U> {
Struct {
#[pin]
pinned: T,
unpinned: U,
},
Tuple(#[pin] T, U),
}
#[pinned_drop]
impl<T, U> PinnedDrop for EnumPinnedDrop<T, U> {
fn drop(self: Pin<&mut Self>) {}
}
#[pin_project(Replace)]
pub enum EnumReplace<T, U> {
Struct {
#[pin]
pinned: T,
unpinned: U,
},
Tuple(#[pin] T, U),
}
// UnsafeUnpin without UnsafeUnpin impl is also safe
#[pin_project(UnsafeUnpin)]
pub enum EnumUnsafeUnpin<T, U> {
Struct {
#[pin]
pinned: T,
unpinned: U,
},
Tuple(#[pin] T, U),
}
#[pin_project(!Unpin)]
pub enum EnumNotUnpin<T, U> {
Struct {
#[pin]
pinned: T,
unpinned: U,
},
Tuple(#[pin] T, U),
}
#[test]
fn test() {}
|
