bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

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

Browse source
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
Download patch file Download diff file Expand all files Collapse all files

9
compiler/rustc_mir_build/src/build/mod.rs
View file

@ -252,8 +252,13 @@ fn liberated_closure_env_ty(
_ => bug!("closure expr does not have closure type: {:?}", closure_ty),
};
let closure_env_ty = tcx.closure_env_ty(closure_def_id, closure_substs).unwrap();
tcx.erase_late_bound_regions(closure_env_ty)
let bound_vars =
tcx.mk_bound_variable_kinds(std::iter::once(ty::BoundVariableKind::Region(ty::BrEnv)));
let br =
ty::BoundRegion { var: ty::BoundVar::from_usize(bound_vars.len() - 1), kind: ty::BrEnv };
let env_region = ty::ReLateBound(ty::INNERMOST, br);
let closure_env_ty = tcx.closure_env_ty(closure_def_id, closure_substs, env_region).unwrap();
tcx.erase_late_bound_regions(ty::Binder::bind_with_vars(closure_env_ty, bound_vars))
}
#[derive(Debug, PartialEq, Eq)]