commit e352c1e140292a75faa7b12b13bc2956f0515a43
author David Tolnay <dtolnay@gmail.com> Thu Dec 31 16:41:05 2020 -0800
committer David Tolnay <dtolnay@gmail.com> Thu Dec 31 17:15:56 2020 -0800
tree 6cc8c0b887d1ee662641add82a70f2f3e3fbb0f2
parent 292cfffe5a3cefc9a60761462206cb526467491f

Add wrapper to prevent iteration of unordered maps

syntax/set.rs

diff --git a/syntax/set.rs b/syntax/set.rs
index 0df5f87..ca0c43e 100644
--- a/syntax/set.rs
+++ b/syntax/set.rs
@@ -105,6 +105,10 @@
         {
             self.0.get(value)
         }
+
+        pub fn retain(&mut self, f: impl FnMut(&T) -> bool) {
+            self.0.retain(f);
+        }
     }
 }