bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Printing alias-relate goals correctly

Browse source
This commit is contained in:
Michael Goulet 2023-03-21 22:20:54 +00:00
parent 3a36a093dd
commit f6fd754680
3 changed files with 14 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

10
compiler/rustc_middle/src/ty/mod.rs
View file

@ -661,6 +661,16 @@ impl AliasRelationDirection {
}
}
impl std::fmt::Display for AliasRelationDirection {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
AliasRelationDirection::Equate => write!(f, " == "),
AliasRelationDirection::Subtype => write!(f, " <: "),
AliasRelationDirection::Supertype => write!(f, " :> "),
}
}
}
/// The crate outlives map is computed during typeck and contains the
/// outlives of every item in the local crate. You should not use it
/// directly, because to do so will make your pass dependent on the

3
compiler/rustc_middle/src/ty/print/pretty.rs
View file

@ -2847,8 +2847,7 @@ define_print_and_forward_display! {
p!("the type `", print(ty), "` is found in the environment")
}
ty::PredicateKind::Ambiguous => p!("ambiguous"),
// TODO
ty::PredicateKind::AliasRelate(t1, t2, _) => p!(print(t1), " == ", print(t2)),
ty::PredicateKind::AliasRelate(t1, t2, dir) => p!(print(t1), write(" {} ", dir), print(t2)),
}
}

5
compiler/rustc_middle/src/ty/structural_impls.rs
View file

@ -177,8 +177,9 @@ impl<'tcx> fmt::Debug for ty::PredicateKind<'tcx> {
write!(f, "TypeWellFormedFromEnv({:?})", ty)
}
ty::PredicateKind::Ambiguous => write!(f, "Ambiguous"),
// TODO
ty::PredicateKind::AliasRelate(t1, t2, _) => write!(f, "AliasRelate({t1:?}, {t2:?})"),
ty::PredicateKind::AliasRelate(t1, t2, dir) => {
write!(f, "AliasRelate({t1:?}, {dir:?}, {t2:?})")
}
}
}
}