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Constify Residual behind const_try

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This commit is contained in:
onestacked 2022-09-23 20:17:31 +02:00
parent d78bc41785
commit 84666afb36
3 changed files with 5 additions and 2 deletions
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1
library/core/src/ops/control_flow.rs
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@ -126,6 +126,7 @@ impl<B, C> const ops::FromResidual for ControlFlow<B, C> {
}
#[unstable(feature = "try_trait_v2_residual", issue = "91285")]
#[rustc_const_unstable(feature = "const_try", issue = "74935")]
impl<B, C> const ops::Residual<C> for ControlFlow<B, convert::Infallible> {
type TryType = ControlFlow<B, C>;
}

3
library/core/src/option.rs
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@ -2321,7 +2321,8 @@ impl<T> ops::FromResidual<ops::Yeet<()>> for Option<T> {
}
#[unstable(feature = "try_trait_v2_residual", issue = "91285")]
impl<T> ops::Residual<T> for Option<convert::Infallible> {
#[rustc_const_unstable(feature = "const_try", issue = "74935")]
impl<T> const ops::Residual<T> for Option<convert::Infallible> {
type TryType = Option<T>;
}

3
library/core/src/result.rs
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@ -2116,6 +2116,7 @@ impl<T, E, F: From<E>> ops::FromResidual<ops::Yeet<E>> for Result<T, F> {
}
#[unstable(feature = "try_trait_v2_residual", issue = "91285")]
impl<T, E> ops::Residual<T> for Result<convert::Infallible, E> {
#[rustc_const_unstable(feature = "const_try", issue = "74935")]
impl<T, E> const ops::Residual<T> for Result<convert::Infallible, E> {
type TryType = Result<T, E>;
}