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prefer-for-loop-in-children

added in: 1.16.0
style
Pro+

Suggests using for-loop in arguments that accept a list of widgets.

Example​

❌ Bad:

Column(
  // LINT: Prefer for-loops in arguments that accept a list of widgets. Try rewriting this expression to be a for-loop.
  children: exampleList.map((example) => const Text(example)).toList(),
);

Column(
  // LINT: Prefer for-loops in arguments that accept a list of widgets. Try rewriting this expression to be a for-loop.
  children: [
    ...exampleList.map((example) => const Text(example)).toList(),
  ],
);

Column(
  // LINT: Prefer for-loops in arguments that accept a list of widgets. Try rewriting this expression to be a for-loop.
  children: List.generate(
    exampleList.length,
    (index) => Text(exampleList[index]),
  ),
);

Column(
  // LINT: Prefer for-loops in arguments that accept a list of widgets. Try rewriting this expression to be a for-loop.
  children: exampleList.fold([], (list, example) {
    list.add(Text(example));
    return list;
  }),
);

✅ Good:

Column(
  children: [
    for (final example in exampleList) Text(example),
  ],
);