Example usage for java.util.function ToLongFunction applyAsLong

Introduction

In this page you can find the example usage for java.util.function ToLongFunction applyAsLong.

Prototype

long applyAsLong(T value);

Source Link

Document

Applies this function to the given argument.

Usage

From source file:Main.java

public static void main(String[] args) {
    ToLongFunction<String> i = (x) -> Long.parseLong(x);

    System.out.println(i.applyAsLong("2"));
}

From source file:at.gridtec.lambda4j.function.bi.to.ToLongBiFunction2.java

/**
 * Creates a {@link ToLongBiFunction2} which uses the {@code first} parameter of this one as argument for the given
 * {@link ToLongFunction}./*from   ww w .  j  av  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 function The function which accepts the {@code first} parameter of this one
 * @return Creates a {@code ToLongBiFunction2} which uses the {@code first} parameter of this one as argument for
 * the given {@code ToLongFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> ToLongBiFunction2<T, U> onlyFirst(@Nonnull final ToLongFunction<? super T> function) {
    Objects.requireNonNull(function);
    return (t, u) -> function.applyAsLong(t);
}

From source file:at.gridtec.lambda4j.function.bi.to.ToLongBiFunction2.java

/**
 * Creates a {@link ToLongBiFunction2} which uses the {@code second} parameter of this one as argument for the given
 * {@link ToLongFunction}.// w w  w .  ja  v  a2  s  .  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 function The function which accepts the {@code second} parameter of this one
 * @return Creates a {@code ToLongBiFunction2} which uses the {@code second} parameter of this one as argument for
 * the given {@code ToLongFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> ToLongBiFunction2<T, U> onlySecond(@Nonnull final ToLongFunction<? super U> function) {
    Objects.requireNonNull(function);
    return (t, u) -> function.applyAsLong(u);
}

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

/**
 * Creates a {@link ToLongTriFunction} which uses the {@code first} parameter of this one as argument for the given
 * {@link ToLongFunction}.//from www .  java 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 first} parameter of this one
 * @return Creates a {@code ToLongTriFunction} which uses the {@code first} parameter of this one as argument for
 * the given {@code ToLongFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U, V> ToLongTriFunction<T, U, V> onlyFirst(@Nonnull final ToLongFunction<? super T> function) {
    Objects.requireNonNull(function);
    return (t, u, v) -> function.applyAsLong(t);
}

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

/**
 * Creates a {@link ToLongTriFunction} which uses the {@code second} parameter of this one as argument for the given
 * {@link ToLongFunction}.//from ww  w  . jav 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 ToLongTriFunction} which uses the {@code second} parameter of this one as argument for
 * the given {@code ToLongFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U, V> ToLongTriFunction<T, U, V> onlySecond(@Nonnull final ToLongFunction<? super U> function) {
    Objects.requireNonNull(function);
    return (t, u, v) -> function.applyAsLong(u);
}

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

/**
 * Creates a {@link ToLongTriFunction} which uses the {@code third} parameter of this one as argument for the given
 * {@link ToLongFunction}.//  w w w  .j a va 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 third} parameter of this one
 * @return Creates a {@code ToLongTriFunction} which uses the {@code third} parameter of this one as argument for
 * the given {@code ToLongFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U, V> ToLongTriFunction<T, U, V> onlyThird(@Nonnull final ToLongFunction<? super V> function) {
    Objects.requireNonNull(function);
    return (t, u, v) -> function.applyAsLong(v);
}

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

/**
 * Creates a {@link ObjLongToLongFunction} which uses the {@code first} parameter of this one as argument for the
 * given {@link ToLongFunction}.//from  w ww.ja va  2s .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 ObjLongToLongFunction} which uses the {@code first} parameter of this one as argument
 * for the given {@code ToLongFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T> ObjLongToLongFunction<T> onlyFirst(@Nonnull final ToLongFunction<? super T> function) {
    Objects.requireNonNull(function);
    return (t, value) -> function.applyAsLong(t);
}

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

/**
 * Creates a {@link ObjByteToLongFunction} which uses the {@code first} parameter of this one as argument for the
 * given {@link ToLongFunction}./*from   w ww.  j  av  a2  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 ObjByteToLongFunction} which uses the {@code first} parameter of this one as argument
 * for the given {@code ToLongFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T> ObjByteToLongFunction<T> onlyFirst(@Nonnull final ToLongFunction<? super T> function) {
    Objects.requireNonNull(function);
    return (t, value) -> function.applyAsLong(t);
}

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

/**
 * Creates a {@link ObjCharToLongFunction} which uses the {@code first} parameter of this one as argument for the
 * given {@link ToLongFunction}.//from   w ww  .jav 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 ObjCharToLongFunction} which uses the {@code first} parameter of this one as argument
 * for the given {@code ToLongFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T> ObjCharToLongFunction<T> onlyFirst(@Nonnull final ToLongFunction<? super T> function) {
    Objects.requireNonNull(function);
    return (t, value) -> function.applyAsLong(t);
}

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

/**
 * Creates a {@link ObjFloatToLongFunction} which uses the {@code first} parameter of this one as argument for the
 * given {@link ToLongFunction}./*from   ww  w  .j av a2s .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 ObjFloatToLongFunction} which uses the {@code first} parameter of this one as argument
 * for the given {@code ToLongFunction}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T> ObjFloatToLongFunction<T> onlyFirst(@Nonnull final ToLongFunction<? super T> function) {
    Objects.requireNonNull(function);
    return (t, value) -> function.applyAsLong(t);
}