Predicate
根据参数值返回布尔值的函数，可能包括该值在数组中位置的上下文信息。
A boolean-valued function over a value, possibly including context information regarding that value's position in an array.
interface Predicate<T> {
(value: T): boolean
}
根据参数值返回布尔值的函数，可能包括该值在数组中位置的上下文信息。
A boolean-valued function over a value, possibly including context information regarding that value's position in an array.
interface Predicate<T> {
(value: T): boolean
}
