removeAll 方法

void removeAll(
  1. Iterable<Object?> elements
)
override

从该集中移除 elements 中的每个元素。

final characters = <String>{'A', 'B', 'C'};
characters.removeAll({'A', 'B', 'X'});
print(characters); // {C}

实现

void removeAll(Iterable<Object?> elements) {
  for (Object? element in elements) {
    if (_validKey(element)) _remove(element as E);
  }
}