Example usage for java.util.function ToDoubleFunction applyAsDouble

Introduction

In this page you can find the example usage for java.util.function ToDoubleFunction applyAsDouble.

Prototype

double applyAsDouble(T value);

Source Link

Document

Applies this function to the given argument.

Usage

From source file:Main.java

public static void main(String[] args) {
    ToDoubleFunction<Integer> i = (x) -> Math.sin(x);

    System.out.println(i.applyAsDouble(Integer.MAX_VALUE));
}

From source file:at.gridtec.lambda4j.function.bi.to.ToDoubleBiFunction2.java

/**
 * Creates a {@link ToDoubleBiFunction2} which uses the {@code first} parameter of this one as argument for the
 * given {@link ToDoubleFunction}./*w  w  w .  ja va2s  .c om*/
 *
 * @param <T> The type of the first argument to the function
 * @param <U> The type of the second argument to the function
 * @param function The function which accepts the {@code first} parameter of this one
 * @return Creates a {@code ToDoubleBiFunction2} which uses the {@code first} parameter of this one as argument for
 * the given {@code ToDoubleFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> ToDoubleBiFunction2<T, U> onlyFirst(@Nonnull final ToDoubleFunction<? super T> function) {
    Objects.requireNonNull(function);
    return (t, u) -> function.applyAsDouble(t);
}

From source file:at.gridtec.lambda4j.function.bi.to.ToDoubleBiFunction2.java

/**
 * Creates a {@link ToDoubleBiFunction2} which uses the {@code second} parameter of this one as argument for the
 * given {@link ToDoubleFunction}./*w  ww .j  av a2 s. com*/
 *
 * @param <T> The type of the first argument to the function
 * @param <U> The type of the second argument to the function
 * @param function The function which accepts the {@code second} parameter of this one
 * @return Creates a {@code ToDoubleBiFunction2} which uses the {@code second} parameter of this one as argument for
 * the given {@code ToDoubleFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> ToDoubleBiFunction2<T, U> onlySecond(@Nonnull final ToDoubleFunction<? super U> function) {
    Objects.requireNonNull(function);
    return (t, u) -> function.applyAsDouble(u);
}

From source file:at.gridtec.lambda4j.function.tri.to.ToDoubleTriFunction.java

/**
 * Creates a {@link ToDoubleTriFunction} which uses the {@code first} parameter of this one as argument for the
 * given {@link ToDoubleFunction}./*from ww  w  . j a  v  a 2s. co  m*/
 *
 * @param <T> The type of the first argument to the function
 * @param <U> The type of the second argument to the function
 * @param <V> The type of the third argument to the function
 * @param function The function which accepts the {@code first} parameter of this one
 * @return Creates a {@code ToDoubleTriFunction} which uses the {@code first} parameter of this one as argument for
 * the given {@code ToDoubleFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U, V> ToDoubleTriFunction<T, U, V> onlyFirst(@Nonnull final ToDoubleFunction<? super T> function) {
    Objects.requireNonNull(function);
    return (t, u, v) -> function.applyAsDouble(t);
}

From source file:at.gridtec.lambda4j.function.tri.to.ToDoubleTriFunction.java

/**
 * Creates a {@link ToDoubleTriFunction} which uses the {@code second} parameter of this one as argument for the
 * given {@link ToDoubleFunction}.//from  w w  w  .  j  a  v  a 2  s.c o m
 *
 * @param <T> The type of the first argument to the function
 * @param <U> The type of the second argument to the function
 * @param <V> The type of the third argument to the function
 * @param function The function which accepts the {@code second} parameter of this one
 * @return Creates a {@code ToDoubleTriFunction} which uses the {@code second} parameter of this one as argument for
 * the given {@code ToDoubleFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U, V> ToDoubleTriFunction<T, U, V> onlySecond(@Nonnull final ToDoubleFunction<? super U> function) {
    Objects.requireNonNull(function);
    return (t, u, v) -> function.applyAsDouble(u);
}

From source file:at.gridtec.lambda4j.function.tri.to.ToDoubleTriFunction.java

/**
 * Creates a {@link ToDoubleTriFunction} which uses the {@code third} parameter of this one as argument for the
 * given {@link ToDoubleFunction}./*from w  ww .j  a v a  2  s.  c  om*/
 *
 * @param <T> The type of the first argument to the function
 * @param <U> The type of the second argument to the function
 * @param <V> The type of the third argument to the function
 * @param function The function which accepts the {@code third} parameter of this one
 * @return Creates a {@code ToDoubleTriFunction} which uses the {@code third} parameter of this one as argument for
 * the given {@code ToDoubleFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U, V> ToDoubleTriFunction<T, U, V> onlyThird(@Nonnull final ToDoubleFunction<? super V> function) {
    Objects.requireNonNull(function);
    return (t, u, v) -> function.applyAsDouble(v);
}

From source file:at.gridtec.lambda4j.function.bi.obj.ObjDoubleToDoubleFunction.java

/**
 * Creates a {@link ObjDoubleToDoubleFunction} which uses the {@code first} parameter of this one as argument for
 * the given {@link ToDoubleFunction}.//from  ww  w.  ja  va2  s  .  c  o  m
 *
 * @param <T> The type of the first argument to the function
 * @param function The function which accepts the {@code first} parameter of this one
 * @return Creates a {@code ObjDoubleToDoubleFunction} which uses the {@code first} parameter of this one as
 * argument for the given {@code ToDoubleFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T> ObjDoubleToDoubleFunction<T> onlyFirst(@Nonnull final ToDoubleFunction<? super T> function) {
    Objects.requireNonNull(function);
    return (t, value) -> function.applyAsDouble(t);
}

From source file:at.gridtec.lambda4j.function.bi.obj.ObjBooleanToDoubleFunction.java

/**
 * Creates a {@link ObjBooleanToDoubleFunction} which uses the {@code first} parameter of this one as argument for
 * the given {@link ToDoubleFunction}.//from ww  w.  jav a  2s.  c om
 *
 * @param <T> The type of the first argument to the function
 * @param function The function which accepts the {@code first} parameter of this one
 * @return Creates a {@code ObjBooleanToDoubleFunction} which uses the {@code first} parameter of this one as
 * argument for the given {@code ToDoubleFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T> ObjBooleanToDoubleFunction<T> onlyFirst(@Nonnull final ToDoubleFunction<? super T> function) {
    Objects.requireNonNull(function);
    return (t, value) -> function.applyAsDouble(t);
}

From source file:at.gridtec.lambda4j.function.bi.obj.ObjByteToDoubleFunction.java

/**
 * Creates a {@link ObjByteToDoubleFunction} which uses the {@code first} parameter of this one as argument for the
 * given {@link ToDoubleFunction}.//from   ww  w . j a v  a  2s . com
 *
 * @param <T> The type of the first argument to the function
 * @param function The function which accepts the {@code first} parameter of this one
 * @return Creates a {@code ObjByteToDoubleFunction} which uses the {@code first} parameter of this one as argument
 * for the given {@code ToDoubleFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T> ObjByteToDoubleFunction<T> onlyFirst(@Nonnull final ToDoubleFunction<? super T> function) {
    Objects.requireNonNull(function);
    return (t, value) -> function.applyAsDouble(t);
}

From source file:at.gridtec.lambda4j.function.bi.obj.ObjCharToDoubleFunction.java

/**
 * Creates a {@link ObjCharToDoubleFunction} which uses the {@code first} parameter of this one as argument for the
 * given {@link ToDoubleFunction}.//  www .  j  a  v  a  2 s  . c  o  m
 *
 * @param <T> The type of the first argument to the function
 * @param function The function which accepts the {@code first} parameter of this one
 * @return Creates a {@code ObjCharToDoubleFunction} which uses the {@code first} parameter of this one as argument
 * for the given {@code ToDoubleFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T> ObjCharToDoubleFunction<T> onlyFirst(@Nonnull final ToDoubleFunction<? super T> function) {
    Objects.requireNonNull(function);
    return (t, value) -> function.applyAsDouble(t);
}