DExList<E> extension

on

• List<E>

Properties

dSafeFirst → E?

Available on List<E>, provided by the DExList extension

安全的获取首个元素

no setter

dSafeLast → E?

Available on List<E>, provided by the DExList extension

安全的获取最后一个元素

no setter

dToJsonStr → String

Available on List<E>, provided by the DExList extension

转换为jsonString,失败为"[]"

no setter

Methods

dSafeFirstWhere(bool test(E e)) → E?

Available on List<E>, provided by the DExList extension

安全的获取符合条件的第一个元素

dSafeIndex(int idx) → E?

Available on List<E>, provided by the DExList extension

安全的获取索引对应的元素