From 76d6f54471b5026ff228a58f10c69256a4b931bc Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Sat, 25 Apr 2020 21:34:38 +0200
Subject: Don't add call parens when an fn type is expected

---
 crates/ra_hir/src/code_model.rs | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'crates/ra_hir')

diff --git a/crates/ra_hir/src/code_model.rs b/crates/ra_hir/src/code_model.rs
index 3f645a1dd..fb788736d 100644
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -1136,6 +1136,13 @@ impl Type {
         matches!(&self.ty.value, Ty::Apply(ApplicationTy { ctor: TypeCtor::Closure { .. }, .. }))
     }
 
+    pub fn is_fn(&self) -> bool {
+        matches!(&self.ty.value,
+            Ty::Apply(ApplicationTy { ctor: TypeCtor::FnDef(..), .. }) |
+            Ty::Apply(ApplicationTy { ctor: TypeCtor::FnPtr { .. }, .. })
+        )
+    }
+
     pub fn contains_unknown(&self) -> bool {
         return go(&self.ty.value);
 
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