From 01df4c04d12be89d53addca2885221419e56bf31 Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Fri, 21 May 2021 23:45:09 +0200
Subject: impl Display for AttrInput/ImportAlias

---
 crates/hir_def/src/attr.rs | 11 ++++++++++-
 crates/hir_def/src/path.rs |  9 +++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

(limited to 'crates')

diff --git a/crates/hir_def/src/attr.rs b/crates/hir_def/src/attr.rs
index aadd4e44a..89a1ea770 100644
--- a/crates/hir_def/src/attr.rs
+++ b/crates/hir_def/src/attr.rs
@@ -2,7 +2,7 @@
 
 use std::{
     convert::{TryFrom, TryInto},
-    ops,
+    fmt, ops,
     sync::Arc,
 };
 
@@ -648,6 +648,15 @@ pub enum AttrInput {
     TokenTree(Subtree),
 }
 
+impl fmt::Display for AttrInput {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            AttrInput::Literal(lit) => write!(f, " = \"{}\"", lit.escape_debug()),
+            AttrInput::TokenTree(subtree) => subtree.fmt(f),
+        }
+    }
+}
+
 impl Attr {
     fn from_src(
         db: &dyn DefDatabase,
diff --git a/crates/hir_def/src/path.rs b/crates/hir_def/src/path.rs
index a43441b1c..9b8873fd2 100644
--- a/crates/hir_def/src/path.rs
+++ b/crates/hir_def/src/path.rs
@@ -46,6 +46,15 @@ pub enum ImportAlias {
     Alias(Name),
 }
 
+impl Display for ImportAlias {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            ImportAlias::Underscore => f.write_str("_"),
+            ImportAlias::Alias(name) => f.write_str(&name.to_string()),
+        }
+    }
+}
+
 impl ModPath {
     pub fn from_src(db: &dyn DefDatabase, path: ast::Path, hygiene: &Hygiene) -> Option<ModPath> {
         let ctx = LowerCtx::with_hygiene(db, hygiene);
-- 
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