Added in API level 24

Consumer

@FunctionalInterface interface Consumer<T : Any!>
java.util.function.Consumer

Represents an operation that accepts a single input argument and returns no result. Unlike most other functional interfaces, Consumer is expected to operate via side-effects.

This is a functional interface whose functional method is accept(java.lang.Object).

Summary

Public methods
abstract Unit
accept(t: T)

Performs this operation on the given argument.

open Consumer<T>!
andThen(after: Consumer<in T>!)

Returns a composed Consumer that performs, in sequence, this operation followed by the after operation.

Public methods

accept

Added in API level 24
abstract fun accept(t: T): Unit

Performs this operation on the given argument.

Parameters
t T: the input argument

andThen

Added in API level 24
open fun andThen(after: Consumer<in T>!): Consumer<T>!

Returns a composed Consumer that performs, in sequence, this operation followed by the after operation. If performing either operation throws an exception, it is relayed to the caller of the composed operation. If performing this operation throws an exception, the after operation will not be performed.

Parameters
after Consumer<in T>!: the operation to perform after this operation
Return
Consumer<T>! a composed Consumer that performs in sequence this operation followed by the after operation
Exceptions
java.lang.NullPointerException if after is null