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|
mod argument {
use std::pin::Pin;
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct UnexpectedArg1(());
#[pinned_drop(foo)] //~ ERROR unexpected argument
impl PinnedDrop for UnexpectedArg1 {
fn drop(self: Pin<&mut Self>) {}
}
#[pin_project(PinnedDrop)]
struct UnexpectedArg2(());
#[pinned_drop()] // Ok
impl PinnedDrop for UnexpectedArg2 {
fn drop(self: Pin<&mut Self>) {}
}
}
mod attribute {
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct Duplicate(());
#[pinned_drop]
#[pinned_drop] //~ ERROR duplicate #[pinned_drop] attribute
impl PinnedDrop for Duplicate {
fn drop(self: Pin<&mut Self>) {}
}
}
mod item {
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct TraitImpl(());
#[pinned_drop]
impl Drop for TraitImpl {} //~ ERROR may only be used on implementation for the `PinnedDrop` trait
#[pin_project(PinnedDrop)]
struct InherentImpl(());
#[pinned_drop]
impl InherentImpl {} //~ ERROR may only be used on implementation for the `PinnedDrop` trait
#[pinned_drop]
fn func(_: Pin<&mut ()>) {} //~ ERROR expected `impl`
}
mod unsafety {
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct Impl(());
#[pinned_drop]
unsafe impl PinnedDrop for Impl {
//~^ ERROR implementing the trait `PinnedDrop` is not unsafe
fn drop(self: Pin<&mut Self>) {}
}
#[pin_project(PinnedDrop)]
struct Method(());
#[pinned_drop]
impl PinnedDrop for Method {
unsafe fn drop(self: Pin<&mut Self>) {} //~ ERROR implementing the method `drop` is not unsafe
}
}
mod assoc_item {
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct Empty(());
#[pinned_drop]
impl PinnedDrop for Empty {} //~ ERROR not all trait items implemented, missing: `drop`
#[pin_project(PinnedDrop)]
struct Const1(());
#[pinned_drop]
impl PinnedDrop for Const1 {
const A: u8 = 0; //~ ERROR const `A` is not a member of trait `PinnedDrop`
fn drop(self: Pin<&mut Self>) {}
}
#[pin_project(PinnedDrop)]
struct Const2(());
#[pinned_drop]
impl PinnedDrop for Const2 {
fn drop(self: Pin<&mut Self>) {}
const A: u8 = 0; //~ ERROR const `A` is not a member of trait `PinnedDrop`
}
#[pin_project(PinnedDrop)]
struct Type1(());
#[pinned_drop]
impl PinnedDrop for Type1 {
type A = u8; //~ ERROR type `A` is not a member of trait `PinnedDrop`
fn drop(self: Pin<&mut Self>) {}
}
#[pin_project(PinnedDrop)]
struct Type2(());
#[pinned_drop]
impl PinnedDrop for Type2 {
fn drop(self: Pin<&mut Self>) {}
type A = u8; //~ ERROR type `A` is not a member of trait `PinnedDrop`
}
#[pin_project(PinnedDrop)]
struct Duplicate(());
#[pinned_drop]
impl PinnedDrop for Duplicate {
fn drop(self: Pin<&mut Self>) {}
fn drop(self: Pin<&mut Self>) {} //~ ERROR duplicate definitions with name `drop`
}
}
mod method {
use std::pin::Pin;
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct RetUnit(());
#[pinned_drop]
impl PinnedDrop for RetUnit {
fn drop(self: Pin<&mut Self>) -> () {} // Ok
}
#[pin_project(PinnedDrop)]
struct RetTy(());
#[pinned_drop]
impl PinnedDrop for RetTy {
fn drop(self: Pin<&mut Self>) -> Self {} //~ ERROR method `drop` must return the unit type
}
#[pin_project(PinnedDrop)]
struct NoArg(());
#[pinned_drop]
impl PinnedDrop for NoArg {
fn drop() {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
}
#[pin_project(PinnedDrop)]
struct MultiArg(());
#[pinned_drop]
impl PinnedDrop for MultiArg {
fn drop(self: Pin<&mut Self>, _: ()) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
}
#[pin_project(PinnedDrop)]
struct InvalidArg1(());
#[pinned_drop]
impl PinnedDrop for InvalidArg1 {
fn drop(&mut self) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
}
#[pin_project(PinnedDrop)]
struct InvalidArg2(());
#[pinned_drop]
impl PinnedDrop for InvalidArg2 {
fn drop(_: Pin<&mut Self>) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
}
#[pin_project(PinnedDrop)]
struct InvalidArg3(());
#[pinned_drop]
impl PinnedDrop for InvalidArg3 {
fn drop(self: Pin<&Self>) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
}
#[pin_project(PinnedDrop)]
struct InvalidArg4(());
#[pinned_drop]
impl PinnedDrop for InvalidArg4 {
fn drop(self: Pin<&mut ()>) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
}
#[pin_project(PinnedDrop)]
struct InvalidName(());
#[pinned_drop]
impl PinnedDrop for InvalidName {
fn pinned_drop(self: Pin<&mut Self>) {} //~ ERROR method `pinned_drop` is not a member of trait `PinnedDrop
}
}
mod self_ty {
use pin_project::pinned_drop;
#[pinned_drop]
impl PinnedDrop for () {
//~^ ERROR implementing the trait `PinnedDrop` on this type is unsupported
fn drop(self: Pin<&mut Self>) {}
}
#[pinned_drop]
impl PinnedDrop for &mut A {
//~^ ERROR implementing the trait `PinnedDrop` on this type is unsupported
fn drop(self: Pin<&mut Self>) {}
}
#[pinned_drop]
impl PinnedDrop for [A] {
//~^ ERROR implementing the trait `PinnedDrop` on this type is unsupported
fn drop(self: Pin<&mut Self>) {}
}
}
fn main() {}
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