use comma tracker one more place

2 files changed, 3 insertions, 3 deletions

diff --git a/eval/src/vespa/eval/eval/function.cpp b/eval/src/vespa/eval/eval/function.cpp
index 75d63ea7415..44bb61abe17 100644
--- a/eval/src/vespa/eval/eval/function.cpp
+++ b/eval/src/vespa/eval/eval/function.cpp
@@ -479,10 +479,9 @@ std::vector<vespalib::string> get_ident_list(ParseContext &ctx, bool wrapped) {
         ctx.skip_spaces();
         ctx.eat('(');
     }
+    CommaTracker ident_list(wrapped);
     while (!ctx.find_list_end()) {
-        if (!list.empty() || !wrapped) {
-            ctx.eat(',');
-        }
+        ident_list.maybe_eat_comma(ctx);
         list.push_back(get_ident(ctx, false));
     }
     if (wrapped) {
diff --git a/eval/src/vespa/eval/eval/string_stuff.h b/eval/src/vespa/eval/eval/string_stuff.h
index 3cbc7c9d35b..820196fe959 100644
--- a/eval/src/vespa/eval/eval/string_stuff.h
+++ b/eval/src/vespa/eval/eval/string_stuff.h
@@ -15,6 +15,7 @@ namespace vespalib::eval {
 struct CommaTracker {
     bool first;
     CommaTracker() : first(true) {}
+    CommaTracker(bool first_in) : first(first_in) {}
     bool maybe_add_comma(vespalib::string &dst) {
         if (first) {
             first = false;