// compile options: --source-map // TODO(jmesserly): more comprehensive strategy for testing the source map. // (this is used so we're covering it in at least one test) import 'dart:math' show Random; main() { // Uses a JS object literal print({'1': 2, '3': 4, '5': 6}); // Uses array literal print({1: 2, 3: 4, 5: 6}); // Uses ES6 enhanced object literal print({'1': 2, '${new Random().nextInt(2) + 2}': 4, '5': 6}); String x = '3'; // Could use enhanced object literal if we knew `x` was not null print({'1': 2, x: 4, '5': 6}); // Array literal print({'1': 2, null: 4, '5': 6}); }