From 40cd6cdf67dcfad89a80ff3a662bec2dfd983d67 Mon Sep 17 00:00:00 2001
From: Nick Spain <nicholas.spain@stileeducation.com>
Date: Sat, 2 Jan 2021 22:11:25 +1100
Subject: Fix ConstParam HasSource impl and implement TryToNav not Nav

---
 crates/ide/src/display/navigation_target.rs | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'crates/ide')

diff --git a/crates/ide/src/display/navigation_target.rs b/crates/ide/src/display/navigation_target.rs
index 1fb26c226..e24c78301 100644
--- a/crates/ide/src/display/navigation_target.rs
+++ b/crates/ide/src/display/navigation_target.rs
@@ -218,7 +218,7 @@ impl TryToNav for Definition {
             Definition::TypeParam(it) => it.try_to_nav(db),
             Definition::LifetimeParam(it) => it.try_to_nav(db),
             Definition::Label(it) => Some(it.to_nav(db)),
-            Definition::ConstParam(it) => Some(it.to_nav(db)),
+            Definition::ConstParam(it) => it.try_to_nav(db),
         }
     }
 }
@@ -479,11 +479,11 @@ impl TryToNav for hir::LifetimeParam {
     }
 }
 
-impl ToNav for hir::ConstParam {
-    fn to_nav(&self, db: &RootDatabase) -> NavigationTarget {
-        let src = self.source(db);
+impl TryToNav for hir::ConstParam {
+    fn try_to_nav(&self, db: &RootDatabase) -> Option<NavigationTarget> {
+        let src = self.source(db)?;
         let full_range = src.value.syntax().text_range();
-        NavigationTarget {
+        Some(NavigationTarget {
             file_id: src.file_id.original_file(db),
             name: self.name(db).to_string().into(),
             kind: Some(SymbolKind::ConstParam),
@@ -492,7 +492,7 @@ impl ToNav for hir::ConstParam {
             container_name: None,
             description: None,
             docs: None,
-        }
+        })
     }
 }
 
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