26 lines
752 B
Rust
26 lines
752 B
Rust
//! Regression test that Option and ControlFlow can have downstream FromResidual impls.
|
|
//! cc https://github.com/rust-lang/rust/issues/99940,
|
|
//! This does NOT test that issue in general; Option and ControlFlow's FromResidual
|
|
//! impls in core were changed to not be affected by that issue.
|
|
|
|
use core::ops::{ControlFlow, FromResidual};
|
|
|
|
struct Local;
|
|
|
|
impl<T> FromResidual<Local> for Option<T> {
|
|
fn from_residual(_: Local) -> Option<T> {
|
|
unimplemented!()
|
|
}
|
|
}
|
|
|
|
impl<B, C> FromResidual<Local> for ControlFlow<B, C> {
|
|
fn from_residual(_: Local) -> ControlFlow<B, C> {
|
|
unimplemented!()
|
|
}
|
|
}
|
|
|
|
impl<T, E> FromResidual<Local> for Result<T, E> {
|
|
fn from_residual(_: Local) -> Result<T, E> {
|
|
unimplemented!()
|
|
}
|
|
}
|