From b67148daea86d85d211c4243f22635d6ac7e1983 Mon Sep 17 00:00:00 2001
From: Florian Diebold <flodiebold@gmail.com>
Date: Mon, 5 Apr 2021 21:56:40 +0200
Subject: Substitution::prefix -> subst_prefix

I probably want to get rid of this function completely later.
---
 crates/hir_ty/src/infer/expr.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'crates/hir_ty/src/infer/expr.rs')

diff --git a/crates/hir_ty/src/infer/expr.rs b/crates/hir_ty/src/infer/expr.rs
index 82ab9c5fe..185a2dfc3 100644
--- a/crates/hir_ty/src/infer/expr.rs
+++ b/crates/hir_ty/src/infer/expr.rs
@@ -964,8 +964,10 @@ impl<'a> InferenceContext<'a> {
                     if let AssocContainerId::TraitId(trait_) = f.lookup(self.db.upcast()).container
                     {
                         // construct a TraitRef
-                        let substs =
-                            parameters.prefix(generics(self.db.upcast(), trait_.into()).len());
+                        let substs = crate::subst_prefix(
+                            &*parameters,
+                            generics(self.db.upcast(), trait_.into()).len(),
+                        );
                         self.push_obligation(
                             TraitRef { trait_id: to_chalk_trait_id(trait_), substitution: substs }
                                 .cast(&Interner),
-- 
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