1 files changed, 17 insertions, 0 deletions
diff --git a/src/scope.cc b/src/scope.cc
index f4b2dfab..660f1af2 100644
--- a/src/scope.cc
+++ b/src/scope.cc
@@ -60,4 +60,21 @@ expr_t::ptr_op_t symbol_scope_t::lookup(const string& name)
   return child_scope_t::lookup(name);
 }
 
+string join_args(call_scope_t& args)
+{
+  std::ostringstream buf;
+  bool first = true;
+
+  for (std::size_t i = 0; i < args.size(); i++) {
+    if (first) {
+      buf << args[i];
+      first = false;
+    } else {
+      buf << ' ' << args[i];
+    }
+  }
+
+  return buf.str();
+}
+
 } // namespace ledger