17 lines
572 B
Dart
17 lines
572 B
Dart
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/// A wrapper around List<T>.firstWhere that does not throw but instead just
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/// returns true if [test] returns true for an element or false if [test] never
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/// returned true.
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bool listContains<T>(List<T> list, bool Function(T element) test) {
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return firstWhereOrNull<T>(list, test) != null;
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}
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/// A wrapper around [List<T>.firstWhere] that does not throw but instead just
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/// return null if [test] never returned true
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T? firstWhereOrNull<T>(List<T> list, bool Function(T element) test) {
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try {
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return list.firstWhere(test);
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} catch(e) {
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return null;
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}
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}
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