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