From b1590bdf6a88c03e2aeeedbe04f4dbc4203073db Mon Sep 17 00:00:00 2001
From: Florian Diebold <flodiebold@gmail.com>
Date: Sat, 29 Dec 2018 12:08:57 +0100
Subject: Missing return type means unit, not unknown

---
 crates/ra_hir/src/ty.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

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

diff --git a/crates/ra_hir/src/ty.rs b/crates/ra_hir/src/ty.rs
index 0592e4a63..4ebd44d27 100644
--- a/crates/ra_hir/src/ty.rs
+++ b/crates/ra_hir/src/ty.rs
@@ -381,7 +381,11 @@ pub fn type_for_fn(db: &impl HirDatabase, f: Function) -> Cancelable<Ty> {
                 .collect()
         })
         .unwrap_or_else(|| Ok(Vec::new()))?;
-    let output = Ty::from_ast_opt(db, &module, node.ret_type().and_then(|rt| rt.type_ref()))?;
+    let output = if let Some(type_ref) = node.ret_type().and_then(|rt| rt.type_ref()) {
+        Ty::from_ast(db, &module, type_ref)?
+    } else {
+        Ty::unit()
+    };
     let sig = FnSig { input, output };
     Ok(Ty::FnPtr(Arc::new(sig)))
 }
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