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Dart vs Kotlin: lists
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import 'package:collection/collection.dart'; | |
void main() { | |
// Mutable growable list | |
final mutableList = [1, 2, 3]; | |
mutableList.add(499); | |
final element = mutableList[3]; | |
mutableList.length = 2; // truncate | |
// Mutable fixed-length list | |
final fixedLengthList = List.filled(5, 0); | |
fixedLengthList[0] = 87; | |
// Generate | |
final gen = List<int>.generate(5, (int i) => i * i); | |
// Fixed-length empty list | |
final fixedLengthEmpty = List<int>.empty(); | |
// Immutable list (copy of the original) | |
final immutableList = List<int>.unmodifiable([1, 2, 3]); | |
// Immutable list view (wrap of the original) | |
final immutableListView = UnmodifiableListView(mutableList); | |
// Equality | |
print([1, 2, 3] == [1, 2, 3]); // false | |
print(ListEquality().equals([1, 2, 3], [1, 2, 3])); // true | |
} |
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fun main() { | |
// Mutable growable list | |
val mutableList = mutableListOf(1, 2, 3) | |
mutableList.add(499) | |
val element = mutableList[3] | |
val truncated = mutableList.take(2) // (new list) | |
// Mutable fixed-length array | |
val fixedLengthArray = Array(5) { 0 } | |
fixedLengthArray[0] = 87 | |
// Generate | |
val generated = List(5) { it * it } | |
// Immutable empty list | |
val emptyList = emptyList<Int>() | |
// Immutable list | |
val immutableList = listOf(1, 2, 3) | |
// Immutable list view (wrap of the original) | |
val immutableListView = mutableList as List<Int> | |
// Equality | |
print(listOf(1, 2, 3) == listOf(1, 2, 3)) // true | |
} |
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