T
R
@FunctionalInterface public interface Fn<T,R> extends Function<T,R>, Serializable
Fn
该接口扩展了 Function 接口,并提供了用于从对象中获取字段值的方法 resolve(Object)。
Function
resolve(Object)
default R
apply(T t)
resolve(T t)
andThen, compose, identity
R resolve(T t)
t
default R apply(T t)
apply
Function<T,R>
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