jdk/src/share/classes/java/util/function/DoubleUnaryOperator.java
author mduigou
Tue, 19 Feb 2013 11:56:49 -0800
changeset 16011 890a7ed97f6c
parent 15647 314007859004
child 17695 032254f2467b
permissions -rw-r--r--
8004561: Additional functional interfaces, extension methods and name changes Summary: Adds additional functional interfaces for primitives and "Bi" (two operand). Adds utility extension methods. Includes some name changes for existing functional interfaces per EG decisions. Reviewed-by: briangoetz, darcy, chegar, dholmes

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package java.util.function;

/**
 * An operation on a {@code double} operand yielding a {@code double}
 * result. This is the primitive type specialization of {@link UnaryOperator}
 * for {@code double}.
 *
 * @see UnaryOperator
 * @since 1.8
 */
@FunctionalInterface
public interface DoubleUnaryOperator {

    /**
     * Returns the {@code double} result of the operation upon the
     * {@code double} operand.
     *
     * @param operand the operand value
     * @return the operation result value
     */
    public double applyAsDouble(double operand);
}