NCLua constructor
- NCLCanvasDelegate? delegate,
Implementation
NCLua({this.delegate}) {
_lua = LuaState.newState();
_lua.openLibs();
getPersistentVar ??= (name) => _persistentVars[name];
setPersistentVar ??= (name, value) => _persistentVars[name] = value;
_initBindings();
}