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adding is_freeze to TyLayoutMethods

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This commit is contained in:
Saleem Jaffer 2019-05-03 13:05:10 +05:30
parent 852dd491ef
commit 8802dc037e
2 changed files with 17 additions and 0 deletions
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8
src/librustc/ty/layout.rs
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@ -1961,6 +1961,14 @@ impl<'a, 'tcx, C> TyLayoutMethods<'tcx, C> for Ty<'tcx>
}
}
fn is_freeze(
this: TyLayout<'tcx>,
cx: &C,
param_env: Self::ParamEnv,
)-> bool {
this.ty.is_freeze(cx.tcx(), param_env, DUMMY_SP)
}
}
struct Niche {

9
src/librustc_target/abi/mod.rs
View file

@ -947,6 +947,11 @@ pub trait TyLayoutMethods<'a, C: LayoutOf<Ty = Self>>: Sized {
offset: Size,
param_env: Self::ParamEnv,
) -> Option<PointeeInfo>;
fn is_freeze(
this: TyLayout<'a, Self>,
cx: &C,
param_env: Self::ParamEnv,
)-> bool;
}
impl<'a, Ty> TyLayout<'a, Ty> {
@ -964,6 +969,10 @@ impl<'a, Ty> TyLayout<'a, Ty> {
where Ty: TyLayoutMethods<'a, C>, C: LayoutOf<Ty = Ty> {
Ty::pointee_info_at(self, cx, offset, param_env)
}
pub fn is_freeze<C>(self, cx: &C, param_env: Ty::ParamEnv) -> bool
where Ty: TyLayoutMethods<'a, C>, C: LayoutOf<Ty = Ty> {
Ty::is_freeze(self, cx, param_env)
}
}
impl<'a, Ty> TyLayout<'a, Ty> {