From 1ee779d1f74f48d9f3098001c63108b794dbc0b5 Mon Sep 17 00:00:00 2001
From: Florian Diebold <flodiebold@gmail.com>
Date: Thu, 21 Mar 2019 22:39:31 +0100
Subject: Assert in apply_substs that the number of parameters doesn't change

... and fix a small bug revealed by that.
---
 crates/ra_hir/src/ty/infer.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'crates/ra_hir/src/ty')

diff --git a/crates/ra_hir/src/ty/infer.rs b/crates/ra_hir/src/ty/infer.rs
index be74b9fa6..bf42befbb 100644
--- a/crates/ra_hir/src/ty/infer.rs
+++ b/crates/ra_hir/src/ty/infer.rs
@@ -817,7 +817,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
                             Some(func.generic_params(self.db)),
                         )
                     }
-                    None => (Ty::Unknown, receiver_ty, None),
+                    None => (receiver_ty, Ty::Unknown, None),
                 };
                 let substs = self.substs_for_method_call(def_generics, generic_args);
                 let method_ty = method_ty.apply_substs(substs);
-- 
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