Don't add call parens when an fn type is expected

2020-04-25 21:34:38 +02:00
parent 45832b990c
commit 76d6f54471
2 changed files with 63 additions and 0 deletions
--- 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);