--- a/util/startup.lua Sun Oct 11 14:27:28 2020 +0200
+++ b/util/startup.lua Sun Oct 11 20:25:32 2020 +0100
@@ -198,11 +198,12 @@
end
function mt.__tostring(f)
local info = debug.getinfo(f, "Su");
- for i = 1, info.nparams do
+ local n_params = info.nparams or 0;
+ for i = 1, n_params do
info[i] = debug.getlocal(f, i);
end
if info.isvararg then
- info[info.nparams+1] = "...";
+ info[n_params+1] = "...";
end
return ("function<%s:%d>(%s)"):format(info.short_src:match("[^\\/]*$"), info.linedefined, table.concat(info, ", "));
end