LCOV - code coverage report
Current view: top level - collection-1.15.0/lib/src - empty_unmodifiable_set.dart (source / functions) Hit Total Coverage
Test: lcov.info Lines: 1 23 4.3 %
Date: 2021-11-28 14:37:50 Functions: 0 0 -

          Line data    Source code
       1             : // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
       2             : // for details. All rights reserved. Use of this source code is governed by a
       3             : // BSD-style license that can be found in the LICENSE file.
       4             : 
       5             : import 'dart:collection';
       6             : 
       7             : import 'package:collection/collection.dart';
       8             : 
       9             : import 'unmodifiable_wrappers.dart';
      10             : 
      11             : /// An unmodifiable, empty set which can be constant.
      12             : class EmptyUnmodifiableSet<E> extends IterableBase<E>
      13             :     with UnmodifiableSetMixin<E>
      14             :     implements UnmodifiableSetView<E> {
      15          11 :   const EmptyUnmodifiableSet();
      16             : 
      17           0 :   @override
      18           0 :   Iterator<E> get iterator => Iterable<E>.empty().iterator;
      19           0 :   @override
      20             :   int get length => 0;
      21           0 :   @override
      22           0 :   EmptyUnmodifiableSet<T> cast<T>() => EmptyUnmodifiableSet<T>();
      23           0 :   @override
      24             :   bool contains(Object? element) => false;
      25           0 :   @override
      26           0 :   bool containsAll(Iterable<Object?> other) => other.isEmpty;
      27           0 :   @override
      28           0 :   Iterable<E> followedBy(Iterable<E> other) => DelegatingIterable(other);
      29           0 :   @override
      30             :   E? lookup(Object? element) => null;
      31           0 :   @deprecated
      32             :   @override
      33           0 :   EmptyUnmodifiableSet<T> retype<T>() => EmptyUnmodifiableSet<T>();
      34           0 :   @override
      35             :   E singleWhere(bool Function(E) test, {E Function()? orElse}) =>
      36           0 :       orElse != null ? orElse() : throw StateError('No element');
      37           0 :   @override
      38           0 :   Iterable<T> whereType<T>() => Iterable.empty();
      39           0 :   @override
      40             :   Set<E> toSet() => {};
      41           0 :   @override
      42           0 :   Set<E> union(Set<E> other) => Set.of(other);
      43           0 :   @override
      44             :   Set<E> intersection(Set<Object?> other) => {};
      45           0 :   @override
      46             :   Set<E> difference(Set<Object?> other) => {};
      47             : }

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