From 9e4b5ecec4fa4f6a20bb4d47f09de602e9c29608 Mon Sep 17 00:00:00 2001
From: Florian Diebold <flodiebold@gmail.com>
Date: Sat, 19 Jan 2019 15:48:55 +0100
Subject: Make generics work in struct patterns

---
 crates/ra_hir/src/ty/tests.rs                      | 26 ++++++++++++++++++++++
 .../src/ty/tests/data/generics_in_patterns.txt     | 17 ++++++++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 crates/ra_hir/src/ty/tests/data/generics_in_patterns.txt

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

diff --git a/crates/ra_hir/src/ty/tests.rs b/crates/ra_hir/src/ty/tests.rs
index c590a09db..06e32df59 100644
--- a/crates/ra_hir/src/ty/tests.rs
+++ b/crates/ra_hir/src/ty/tests.rs
@@ -438,6 +438,32 @@ fn test(a1: A<u32>, i: i32) {
     );
 }
 
+#[test]
+fn infer_generics_in_patterns() {
+    check_inference(
+        r#"
+struct A<T> {
+    x: T,
+}
+
+enum Option<T> {
+    Some(T),
+    None,
+}
+
+fn test(a1: A<u32>, o: Option<u64>) {
+    let A { x: x2 } = a1;
+    let A::<i64> { x: x3 } = A { x: 1 };
+    match o {
+        Option::Some(t) => t,
+        _ => 1,
+    };
+}
+"#,
+        "generics_in_patterns.txt",
+    );
+}
+
 #[test]
 fn infer_function_generics() {
     check_inference(
diff --git a/crates/ra_hir/src/ty/tests/data/generics_in_patterns.txt b/crates/ra_hir/src/ty/tests/data/generics_in_patterns.txt
new file mode 100644
index 000000000..1b01ef19e
--- /dev/null
+++ b/crates/ra_hir/src/ty/tests/data/generics_in_patterns.txt
@@ -0,0 +1,17 @@
+[79; 81) 'a1': A<u32>
+[91; 92) 'o': Option<u64>
+[107; 244) '{     ...  }; }': ()
+[117; 128) 'A { x: x2 }': A<u32>
+[124; 126) 'x2': u32
+[131; 133) 'a1': A<u32>
+[143; 161) 'A::<i6...: x3 }': A<i64>
+[157; 159) 'x3': i64
+[164; 174) 'A { x: 1 }': A<i64>
+[171; 172) '1': i64
+[180; 241) 'match ...     }': u64
+[186; 187) 'o': Option<u64>
+[198; 213) 'Option::Some(t)': Option<u64>
+[211; 212) 't': u64
+[217; 218) 't': u64
+[228; 229) '_': Option<u64>
+[233; 234) '1': u64
-- 
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