Add example of old trait object syntax

Author: matthewjasper

crates/ra_parser/src/grammar/types.rs

@@ -217,6 +217,7 @@ pub(super) fn for_binder(p: &mut Parser) {
 // test for_type
 // type A = for<'a> fn() -> ();
 // type B = for<'a> unsafe extern "C" fn(&'a ()) -> ();
+// type Obj = for<'a> PartialEq<&'a i32>;
 pub(super) fn for_type(p: &mut Parser) {
     assert!(p.at(T![for]));
     let m = p.start();

crates/ra_syntax/test_data/parser/inline/ok/0081_for_type.rast

@@ -1,4 +1,4 @@
-SOURCE_FILE@0..82
+SOURCE_FILE@0..121
   [email protected]
     [email protected] "type"
     [email protected] " "
@@ -74,3 +74,39 @@ [email protected]
             [email protected] ")"
     [email protected] ";"
   [email protected] "\n"
+  [email protected]
+    [email protected] "type"
+    [email protected] " "
+    [email protected]
+      [email protected] "Obj"
+    [email protected] " "
+    [email protected] "="
+    [email protected] " "
+    [email protected]
+      [email protected] "for"
+      [email protected]
+        [email protected] "<"
+        [email protected]
+          [email protected] "\'a"
+        [email protected] ">"
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "PartialEq"
+            [email protected]
+              [email protected] "<"
+              [email protected]
+                [email protected]
+                  [email protected] "&"
+                  [email protected] "\'a"
+                  [email protected] " "
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected] "i32"
+              [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"

crates/ra_syntax/test_data/parser/inline/ok/0081_for_type.rs

@@ -1,2 +1,3 @@
 type A = for<'a> fn() -> ();
 type B = for<'a> unsafe extern "C" fn(&'a ()) -> ();
+type Obj = for<'a> PartialEq<&'a i32>;