Package io.vavr

Interface CheckedConsumer<T>

  • Type Parameters:
    T - the value type supplied to this consumer.
    Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
    @FunctionalInterface
public interface CheckedConsumer<T>
    A consumer that may throw, equivalent to Consumer.

    • Method Detail

      • of

        static <T> CheckedConsumer<T> of​(CheckedConsumer<T> methodReference)
        Creates a CheckedConsumer. 
        
 final CheckedConsumer<Value> checkedConsumer = CheckedConsumer.of(Value::stdout);
 final Consumer<Value> consumer = checkedConsumer.unchecked();

 // prints "Hi" on the console
 consumer.accept(CharSeq.of("Hi!"));

 // throws
 consumer.accept(null);
        Type Parameters:
        T - type of values that are accepted by the consumer
        Parameters:
        methodReference - (typically) a method reference, e.g. Type::method
        Returns:
        a new CheckedConsumer
        See Also:
        CheckedFunction1.of(CheckedFunction1)

      • accept

        void accept​(T t)
     throws java.lang.Throwable
        Performs side-effects.
        Parameters:
        t - a value of type T
        Throws:
        java.lang.Throwable - if an error occurs

      • andThen

        default CheckedConsumer<T> andThen​(CheckedConsumer<? super T> after)
        Returns a chained CheckedConsumer that first executes this.accept(t) and then after.accept(t), for a given t of type T.
        Parameters:
        after - the action that will be executed after this action
        Returns:
        a new CheckedConsumer that chains this and after
        Throws:
        java.lang.NullPointerException - if after is null

      • unchecked

        default java.util.function.Consumer<T> unchecked()
        Returns an unchecked Consumer that will sneaky throw if an exceptions occurs when accepting a value.
        Returns:
        a new Consumer that throws a Throwable.