X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_hir_typeck%2Fsrc%2Fcallee.rs;h=25b6cf4ef2e3ec62ce92f207946a8780ee75752f;hb=84ff4ab5a238558a009e1cc6f375b0922053b95b;hp=302d512c71d13229bf0c97f2b97d4be60d1435a7;hpb=a065e97bdc599406f4cea8dad90cc5f215a4e61a;p=rust.git

diff --git a/compiler/rustc_hir_typeck/src/callee.rs b/compiler/rustc_hir_typeck/src/callee.rs
index 302d512c71d..25b6cf4ef2e 100644
--- a/compiler/rustc_hir_typeck/src/callee.rs
+++ b/compiler/rustc_hir_typeck/src/callee.rs
@@ -6,7 +6,7 @@
 use rustc_ast::util::parser::PREC_POSTFIX;
 use rustc_errors::{struct_span_err, Applicability, Diagnostic, StashKey};
 use rustc_hir as hir;
-use rustc_hir::def::{self, Namespace, Res};
+use rustc_hir::def::{self, CtorKind, Namespace, Res};
 use rustc_hir::def_id::DefId;
 use rustc_infer::{
     infer,
@@ -30,7 +30,7 @@
 use rustc_trait_selection::traits::error_reporting::DefIdOrName;
 use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _;
 
-use std::iter;
+use std::{iter, slice};
 
 /// Checks that it is legal to call methods of the trait corresponding
 /// to `trait_id` (this only cares about the trait, not the specific
@@ -227,22 +227,21 @@ fn try_overloaded_call_traits(
         ] {
             let Some(trait_def_id) = opt_trait_def_id else { continue };
 
-            let opt_input_types = opt_arg_exprs.map(|arg_exprs| {
-                [self.tcx.mk_tup(arg_exprs.iter().map(|e| {
+            let opt_input_type = opt_arg_exprs.map(|arg_exprs| {
+                self.tcx.mk_tup(arg_exprs.iter().map(|e| {
                     self.next_ty_var(TypeVariableOrigin {
                         kind: TypeVariableOriginKind::TypeInference,
                         span: e.span,
                     })
-                }))]
+                }))
             });
-            let opt_input_types = opt_input_types.as_ref().map(AsRef::as_ref);
 
             if let Some(ok) = self.lookup_method_in_trait(
                 call_expr.span,
                 method_name,
                 trait_def_id,
                 adjusted_ty,
-                opt_input_types,
+                opt_input_type.as_ref().map(slice::from_ref),
             ) {
                 let method = self.register_infer_ok_obligations(ok);
                 let mut autoref = None;
@@ -595,7 +594,7 @@ fn report_invalid_callee(
     ) {
         let mut unit_variant = None;
         if let hir::ExprKind::Path(qpath) = &callee_expr.kind
-            && let Res::Def(def::DefKind::Ctor(kind, def::CtorKind::Const), _)
+            && let Res::Def(def::DefKind::Ctor(kind, CtorKind::Const), _)
                 = self.typeck_results.borrow().qpath_res(qpath, callee_expr.hir_id)
             // Only suggest removing parens if there are no arguments
             && arg_exprs.is_empty()