// MapBox + フィールドアクセス3引数テスト print("=== MapBox + Field Access Test ===") box TestBox { init { data, myField } setup() { print("TestBox setup start") me.data = new MapBox() me.myField = "field_value" print("TestBox setup complete with MapBox") } threeArgMethod(a, b, c) { print("threeArgMethod: " + a + ", " + b + ", " + c) } } print("Creating TestBox...") local testBox testBox = new TestBox() testBox.setup() print("Test 1: All literals (should work)") testBox.threeArgMethod("arg1", "arg2", "arg3") print("Test 2: One field access (potential issue)") print("About to call with field access...") testBox.threeArgMethod("arg1", "arg2", testBox.myField) print("If you see this, field access worked!") print("All MapBox field access tests completed!")