From 82ae228d9864cfb47e349a702053ba189d776966 Mon Sep 17 00:00:00 2001
From: Dezhi Wu <wu543065657@163.com>
Date: Tue, 7 Sep 2021 14:44:30 +0800
Subject: [PATCH] fix: path display error when start with `crate`

---
 crates/hir_ty/src/display.rs |  2 +-
 crates/ide/src/hover.rs      | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/crates/hir_ty/src/display.rs b/crates/hir_ty/src/display.rs
index bce24b825c..6281e3c2a5 100644
--- a/crates/hir_ty/src/display.rs
+++ b/crates/hir_ty/src/display.rs
@@ -1154,7 +1154,7 @@ impl HirDisplay for Path {
         }
 
         for (seg_idx, segment) in self.segments().iter().enumerate() {
-            if seg_idx != 0 {
+            if seg_idx != 0 || matches!(self.kind(), PathKind::Crate) {
                 write!(f, "::")?;
             }
             write!(f, "{}", segment.name)?;
diff --git a/crates/ide/src/hover.rs b/crates/ide/src/hover.rs
index 2a505c621f..3fb1956d80 100644
--- a/crates/ide/src/hover.rs
+++ b/crates/ide/src/hover.rs
@@ -962,6 +962,25 @@ fn main() { let foo_test = fo$0o(); }
                 ```
             "#]],
         );
+
+        // use literal `crate` in path
+        check(r#"
+pub struct X;
+
+fn foo() -> crate::X { X }
+
+fn main() { f$0oo(); }
+        "#, expect![[r#"
+            *foo*
+
+            ```rust
+            test
+            ```
+
+            ```rust
+            fn foo() -> crate::X
+            ```
+        "#]]);
     }
 
     #[test]