1 files changed, 23 insertions, 1 deletions

diff --git a/src/parser/grammar/type_args.rs b/src/parser/grammar/type_args.rs
index adac73e7e..6b2217012 100644
--- a/src/parser/grammar/type_args.rs
+++ b/src/parser/grammar/type_args.rs
@@ -16,7 +16,7 @@ pub(super) fn list(p: &mut Parser, colon_colon_required: bool) {
     };
 
     while !p.at(EOF) && !p.at(R_ANGLE) {
-        types::type_(p);
+        type_arg(p);
         if !p.at(R_ANGLE) && !p.expect(COMMA) {
             break;
         }
@@ -24,3 +24,25 @@ pub(super) fn list(p: &mut Parser, colon_colon_required: bool) {
     p.expect(R_ANGLE);
     m.complete(p, TYPE_ARG_LIST);
 }
+
+// test type_arg
+// type A = B<'static, i32, Item=u64>
+fn type_arg(p: &mut Parser) {
+    let m = p.start();
+    match p.current() {
+        LIFETIME => {
+            p.bump();
+            m.complete(p, LIFETIME_ARG);
+        },
+        IDENT if p.nth(1) == EQ => {
+            p.bump();
+            p.bump();
+            types::type_(p);
+            m.complete(p, ASSOC_TYPE_ARG);
+        },
+        _ => {
+            types::type_(p);
+            m.complete(p, TYPE_ARG);
+        },
+    }
+}