ListExtension<T> extension

List 扩展

on

Methods

firstWhereOrNull(bool fn(T e)) → T?: Available on List<T>, provided by the ListExtension extension
满足 fn 的第一个元素，如果没有则为 null
joinWithSeparator({String separator = ' / '}) → String: Available on List<T>, provided by the ListExtension extension
将字符串数组转换为以指定分隔符连接的字符串, 默认为 /
lengthOrEmpty() → String: Available on List<T>, provided by the ListExtension extension
如果列表为空，则返回空字符串
lengthOrZero() → int: Available on List<T>, provided by the ListExtension extension
如果列表为空，则返回 0