18 lines
566 B
Dart
18 lines
566 B
Dart
import 'dart:collection';
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extension MapExtensions<A, B> on Map<A, B> {
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Map<A, B> get deepCopy => {...this};
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/// Returns the values of a [Map] at given [keys] indices.
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Iterable<B> valuesByKeys({required Iterable<A> keys}) => keys.map((final key) => this[key]!);
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}
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extension LinkedHashMapExtensions<A, B> on LinkedHashMap<A, B> {
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/// Updated the value at [valueIndex] to [newValue], in addition to preserving the order.
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void updateValueAt({
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required int valueIndex,
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required B newValue,
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}) =>
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this[keys.toList()[valueIndex]] = newValue;
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}
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