diff options
Diffstat (limited to 'compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs')
-rw-r--r-- | compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index c6fd0b610..67f45f9aa 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -17,7 +17,6 @@ use rustc_infer::infer; use rustc_infer::infer::error_reporting::TypeErrCtxt; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_middle::infer::unify_key::{ConstVariableOrigin, ConstVariableOriginKind}; -use rustc_middle::ty::subst::GenericArgKind; use rustc_middle::ty::{self, Const, Ty, TyCtxt, TypeVisitableExt}; use rustc_session::Session; use rustc_span::symbol::Ident; @@ -169,7 +168,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ocx.normalize(&ObligationCause::dummy(), self.param_env, fn_sig); if ocx.select_all_or_error().is_empty() { let normalized_fn_sig = self.resolve_vars_if_possible(normalized_fn_sig); - if !normalized_fn_sig.needs_infer() { + if !normalized_fn_sig.has_infer() { return normalized_fn_sig; } } @@ -250,16 +249,12 @@ impl<'a, 'tcx> AstConv<'tcx> for FnCtxt<'a, 'tcx> { } fn ty_infer(&self, param: Option<&ty::GenericParamDef>, span: Span) -> Ty<'tcx> { - if let Some(param) = param { - if let GenericArgKind::Type(ty) = self.var_for_def(span, param).unpack() { - return ty; - } - unreachable!() - } else { - self.next_ty_var(TypeVariableOrigin { + match param { + Some(param) => self.var_for_def(span, param).as_type().unwrap(), + None => self.next_ty_var(TypeVariableOrigin { kind: TypeVariableOriginKind::TypeInference, span, - }) + }), } } @@ -269,16 +264,12 @@ impl<'a, 'tcx> AstConv<'tcx> for FnCtxt<'a, 'tcx> { param: Option<&ty::GenericParamDef>, span: Span, ) -> Const<'tcx> { - if let Some(param) = param { - if let GenericArgKind::Const(ct) = self.var_for_def(span, param).unpack() { - return ct; - } - unreachable!() - } else { - self.next_const_var( + match param { + Some(param) => self.var_for_def(span, param).as_const().unwrap(), + None => self.next_const_var( ty, ConstVariableOrigin { kind: ConstVariableOriginKind::ConstInference, span }, - ) + ), } } @@ -309,7 +300,7 @@ impl<'a, 'tcx> AstConv<'tcx> for FnCtxt<'a, 'tcx> { match ty.kind() { ty::Adt(adt_def, _) => Some(*adt_def), // FIXME(#104767): Should we handle bound regions here? - ty::Alias(ty::Projection, _) if !ty.has_escaping_bound_vars() => { + ty::Alias(ty::Projection | ty::Inherent, _) if !ty.has_escaping_bound_vars() => { self.normalize(span, ty).ty_adt_def() } _ => None, |