From cd62792c0aefffe8b0a5c7fc76e95dfa7b86a181 Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Mon, 11 Apr 2022 16:11:16 +0200
Subject: Prevent duplicate named arguments and dictionary keys

---
 src/parse/parser.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/parse/parser.rs')

diff --git a/src/parse/parser.rs b/src/parse/parser.rs
index 63ba4918..98adfba2 100644
--- a/src/parse/parser.rs
+++ b/src/parse/parser.rs
@@ -452,9 +452,9 @@ impl Marker {
     }
 
     /// Wrap all children that do not fulfill the predicate in error nodes.
-    pub fn filter_children<F>(self, p: &mut Parser, f: F)
+    pub fn filter_children<F>(self, p: &mut Parser, mut f: F)
     where
-        F: Fn(&Green) -> Result<(), &'static str>,
+        F: FnMut(&Green) -> Result<(), &'static str>,
     {
         for child in &mut p.children[self.0 ..] {
             // Don't expose errors.
-- 
cgit v1.2.3