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//! 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!()
}
}
|
