From 52054e1140cc2af19825ebef2aea06c48cf79955 Mon Sep 17 00:00:00 2001
From: Ville Penttinen <villem.penttinen@gmail.com>
Date: Tue, 26 Feb 2019 11:47:13 +0200
Subject: Use TypeAscriptionOwner

This replaces places where we would use node + node.type_ref() with things that
have an ascribed type, with using the TypeAscriptionOwner as the trait bound so
we can simply pass the node.
---
 crates/ra_hir/src/code_model_impl/konst.rs | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

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

diff --git a/crates/ra_hir/src/code_model_impl/konst.rs b/crates/ra_hir/src/code_model_impl/konst.rs
index ecf4c8122..8b861a81f 100644
--- a/crates/ra_hir/src/code_model_impl/konst.rs
+++ b/crates/ra_hir/src/code_model_impl/konst.rs
@@ -1,6 +1,6 @@
 use std::sync::Arc;
 
-use ra_syntax::ast::{self, NameOwner};
+use ra_syntax::ast::{NameOwner, TypeAscriptionOwner};
 
 use crate::{
     Name, AsName, Const, ConstSignature, Static,
@@ -8,12 +8,9 @@ use crate::{
     PersistentHirDatabase,
 };
 
-fn const_signature_for<N: NameOwner>(
-    node: &N,
-    type_ref: Option<&ast::TypeRef>,
-) -> Arc<ConstSignature> {
+fn const_signature_for<N: NameOwner + TypeAscriptionOwner>(node: &N) -> Arc<ConstSignature> {
     let name = node.name().map(|n| n.as_name()).unwrap_or_else(Name::missing);
-    let type_ref = TypeRef::from_ast_opt(type_ref);
+    let type_ref = TypeRef::from_ast_opt(node.ascribed_type());
     let sig = ConstSignature { name, type_ref };
     Arc::new(sig)
 }
@@ -24,7 +21,7 @@ impl ConstSignature {
         konst: Const,
     ) -> Arc<ConstSignature> {
         let (_, node) = konst.source(db);
-        const_signature_for(&*node, node.type_ref())
+        const_signature_for(&*node)
     }
 
     pub(crate) fn static_signature_query(
@@ -32,6 +29,6 @@ impl ConstSignature {
         konst: Static,
     ) -> Arc<ConstSignature> {
         let (_, node) = konst.source(db);
-        const_signature_for(&*node, node.type_ref())
+        const_signature_for(&*node)
     }
 }
-- 
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