From 4083caa233b03a390aca87e96e5bd290961df04c Mon Sep 17 00:00:00 2001
From: Florian Diebold <flodiebold@gmail.com>
Date: Tue, 7 May 2019 12:08:42 +0200
Subject: Add a HirDisplay implementation for TraitRef

---
 crates/ra_hir/src/ty.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'crates')

diff --git a/crates/ra_hir/src/ty.rs b/crates/ra_hir/src/ty.rs
index 24c45d728..12429a668 100644
--- a/crates/ra_hir/src/ty.rs
+++ b/crates/ra_hir/src/ty.rs
@@ -534,3 +534,20 @@ impl HirDisplay for Ty {
         Ok(())
     }
 }
+
+impl HirDisplay for TraitRef {
+    fn hir_fmt(&self, f: &mut HirFormatter<impl HirDatabase>) -> fmt::Result {
+        write!(
+            f,
+            "{}: {}",
+            self.substs[0].display(f.db),
+            self.trait_.name(f.db).unwrap_or_else(Name::missing)
+        )?;
+        if self.substs.len() > 1 {
+            write!(f, "<")?;
+            f.write_joined(&self.substs[1..], ", ")?;
+            write!(f, ">")?;
+        }
+        Ok(())
+    }
+}
-- 
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