Made join_args() a global function

src/precmd.cc

@@ -43,22 +43,6 @@
 namespace ledger {
 
 namespace {
-  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)
-        first = false;
-      else
-        buf << ' ';
-      buf << args[i];
-    }
-
-    return buf.str();
-  }
-
   post_t * get_sample_xact(report_t& report)
   {
     {

src/scope.h

@@ -658,6 +658,21 @@ call_scope_t::get<expr_t::ptr_op_t>(std::size_t index, bool) {
   return args[index].as_any<expr_t::ptr_op_t>();
 }
 
+inline 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)
+      first = false;
+    else
+      buf << ' ';
+    buf << args[i];
+  }
+
+  return buf.str();
+}
+
 class value_scope_t : public child_scope_t
 {
   value_t value;