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Implement Generator and Future

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This commit is contained in:
Michael Goulet 2023-01-24 23:38:20 +00:00
parent 8434b43a7f
commit d600b94ebb
8 changed files with 259 additions and 1 deletions
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14
compiler/rustc_trait_selection/src/solve/assembly.rs
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@ -138,6 +138,16 @@ pub(super) trait GoalKind<'tcx>: TypeFoldable<'tcx> + Copy + Eq {
ecx: &mut EvalCtxt<'_, 'tcx>,
goal: Goal<'tcx, Self>,
) -> QueryResult<'tcx>;
fn consider_builtin_future_candidate(
ecx: &mut EvalCtxt<'_, 'tcx>,
goal: Goal<'tcx, Self>,
) -> QueryResult<'tcx>;
fn consider_builtin_generator_candidate(
ecx: &mut EvalCtxt<'_, 'tcx>,
goal: Goal<'tcx, Self>,
) -> QueryResult<'tcx>;
}
impl<'tcx> EvalCtxt<'_, 'tcx> {
@ -266,6 +276,10 @@ impl<'tcx> EvalCtxt<'_, 'tcx> {
G::consider_builtin_tuple_candidate(self, goal)
} else if lang_items.pointee_trait() == Some(trait_def_id) {
G::consider_builtin_pointee_candidate(self, goal)
} else if lang_items.future_trait() == Some(trait_def_id) {
G::consider_builtin_future_candidate(self, goal)
} else if lang_items.gen_trait() == Some(trait_def_id) {
G::consider_builtin_generator_candidate(self, goal)
} else {
Err(NoSolution)
};