bjoernager/rust
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This commit is contained in:
Ellen 2022-04-27 08:51:33 +01:00
parent de1026a67b
commit f697955c1e
8 changed files with 16 additions and 29 deletions
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23
compiler/rustc_infer/src/infer/error_reporting/nice_region_error/find_anon_type.rs
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@ -25,21 +25,16 @@ pub(crate) fn find_anon_type<'tcx>(
region: Region<'tcx>,
br: &ty::BoundRegionKind,
) -> Option<(&'tcx hir::Ty<'tcx>, &'tcx hir::FnSig<'tcx>)> {
if let Some(anon_reg) = tcx.is_suitable_region(region) {
let hir_id = tcx.hir().local_def_id_to_hir_id(anon_reg.def_id);
let Some(fn_sig) = tcx.hir().get(hir_id).fn_sig() else {
return None
};
let anon_reg = tcx.is_suitable_region(region)?;
let hir_id = tcx.hir().local_def_id_to_hir_id(anon_reg.def_id);
let fn_sig = tcx.hir().get(hir_id).fn_sig()?;
fn_sig
.decl
.inputs
.iter()
.find_map(|arg| find_component_for_bound_region(tcx, arg, br))
.map(|ty| (ty, fn_sig))
} else {
None
}
fn_sig
.decl
.inputs
.iter()
.find_map(|arg| find_component_for_bound_region(tcx, arg, br))
.map(|ty| (ty, fn_sig))
}
// This method creates a FindNestedTypeVisitor which returns the type corresponding