bjoernager/rust
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Add var to BoundRegion. Add query to get bound vars for applicable items.

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This commit is contained in:
Jack Huey 2020-10-26 14:18:31 -04:00
parent 666859a6f8
commit 6d5efa9f04
53 changed files with 1274 additions and 385 deletions
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6
compiler/rustc_hir/src/hir.rs
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@ -402,7 +402,7 @@ pub enum TraitBoundModifier {
/// `typeck::collect::compute_bounds` matches these against
/// the "special" built-in traits (see `middle::lang_items`) and
/// detects `Copy`, `Send` and `Sync`.
#[derive(Debug, HashStable_Generic)]
#[derive(Clone, Debug, HashStable_Generic)]
pub enum GenericBound<'hir> {
Trait(PolyTraitRef<'hir>, TraitBoundModifier),
// FIXME(davidtwco): Introduce `PolyTraitRef::LangItem`
@ -2556,7 +2556,7 @@ pub enum UseKind {
/// that the `ref_id` is for. Note that `ref_id`'s value is not the `HirId` of the
/// trait being referred to but just a unique `HirId` that serves as a key
/// within the resolution map.
#[derive(Debug, HashStable_Generic)]
#[derive(Clone, Debug, HashStable_Generic)]
pub struct TraitRef<'hir> {
pub path: &'hir Path<'hir>,
// Don't hash the `ref_id`. It is tracked via the thing it is used to access.
@ -2575,7 +2575,7 @@ impl TraitRef<'_> {
}
}
#[derive(Debug, HashStable_Generic)]
#[derive(Clone, Debug, HashStable_Generic)]
pub struct PolyTraitRef<'hir> {
/// The `'a` in `for<'a> Foo<&'a T>`.
pub bound_generic_params: &'hir [GenericParam<'hir>],