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Drive-by comment fixes

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Co-Authored-By: Gabriel Smith <yodaldevoid@users.noreply.github.com>
This commit is contained in:
varkor 2019-03-08 01:20:58 +00:00
parent d113ff8ada
commit 3f675ab038
2 changed files with 4 additions and 6 deletions
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4
src/librustc/infer/type_variable.rs
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@ -17,7 +17,7 @@ pub struct TypeVariableTable<'tcx> {
/// the known value.
eq_relations: ut::UnificationTable<ut::InPlace<TyVidEqKey<'tcx>>>,
/// Two variables are unified in `eq_relations` when we have a
/// Two variables are unified in `sub_relations` when we have a
/// constraint `?X <: ?Y` *or* a constraint `?Y <: ?X`. This second
/// table exists only to help with the occurs check. In particular,
/// we want to report constraints like these as an occurs check
@ -365,7 +365,7 @@ impl sv::SnapshotVecDelegate for Delegate {
fn reverse(_values: &mut Vec<TypeVariableData>, _action: Instantiate) {
// We don't actually have to *do* anything to reverse an
// instanation; the value for a variable is stored in the
// instantiation; the value for a variable is stored in the
// `eq_relations` and hence its rollback code will handle
// it. In fact, we could *almost* just remove the
// `SnapshotVec` entirely, except that we would have to

6
src/librustc/infer/unify_key.rs
View File

@ -12,8 +12,7 @@ impl UnifyKey for ty::IntVid {
fn tag() -> &'static str { "IntVid" }
}
impl EqUnifyValue for IntVarValue {
}
impl EqUnifyValue for IntVarValue {}
#[derive(PartialEq, Copy, Clone, Debug)]
pub struct RegionVidKey {
@ -62,8 +61,7 @@ impl UnifyKey for ty::FloatVid {
fn tag() -> &'static str { "FloatVid" }
}
impl EqUnifyValue for FloatVarValue {
}
impl EqUnifyValue for FloatVarValue {}
impl ToType for FloatVarValue {
fn to_type<'a, 'gcx, 'tcx>(&self, tcx: TyCtxt<'a, 'gcx, 'tcx>) -> Ty<'tcx> {