AtomSelect<T> extension

Selector 增强扩展方法

on

• Atom<T>

Methods

select<R>(R selector(T value), {bool equals(R, R)?}) → Atom<R>

Available on Atom<T>, provided by the AtomSelect extension

选择单个字段，只在 selector 结果变化时触发 如果提供了 equals，使用自定义比较器

selectMany<R>(List<R Function(T)> selectors) → Atom<List<R>>

Available on Atom<T>, provided by the AtomSelect extension

选择多个字段，任一变化都触发

where(bool predicate(T)) → Atom<T?>

Available on Atom<T>, provided by the AtomSelect extension

条件过滤，只在条件为 true 时返回值