Package it.unimi.dsi.fastutil.longs

Interface LongUnaryOperator

All Superinterfaces:
Function<Long,Long>, LongUnaryOperator, UnaryOperator<Long>
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 LongUnaryOperator extends UnaryOperator<Long>, LongUnaryOperator
A type-specific UnaryOperator; provides methods operating both on objects and on primitives.
Since:
8.5.0
See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    long
    apply(long x)
    Computes the operator on the given input.
    default Long
    apply(Long x)
    Deprecated.
    Please use the corresponding type-specific method instead.
    default long
    applyAsLong(long x)
    Deprecated.
    Please use apply(long).
    static LongUnaryOperator
    identity()
    Returns a UnaryOperator that always returns the input unmodified.
    static LongUnaryOperator
    negation()
    Returns a UnaryOperator that always returns the arithmetic negation of the input.

    Methods inherited from interface java.util.function.Function

    andThen, compose

    Methods inherited from interface java.util.function.LongUnaryOperator

    andThen, compose

  • Method Details

    • apply

      long apply(long x)
      Computes the operator on the given input.
      Parameters:
      x - the input.
      Returns:
      the output of the operator on the given input.

    • identity

      static LongUnaryOperator identity()
      Returns a UnaryOperator that always returns the input unmodified.
      See Also:

    • negation

      static LongUnaryOperator negation()
      Returns a UnaryOperator that always returns the arithmetic negation of the input.
      Implementation Notes:
      As with all negation, be wary of unexpected behavior near the minimum value of the data type. For example, -Integer.MIN_VALUE will result in Integer.MIN_VALUE (still negative), as the positive value of Integer.MIN_VALUE is too big for int (it would be 1 greater then Integer.MAX_VALUE).

    • applyAsLong

      @Deprecated default long applyAsLong(long x)
      Deprecated.
      Please use apply(long).
      Specified by:
      applyAsLong in interface LongUnaryOperator
      Implementation Specification:
      This default implementation delegates to apply(long).

    • apply

      @Deprecated default Long apply(Long x)
      Deprecated.
      Please use the corresponding type-specific method instead.
      Specified by:
      apply in interface Function<Long,Long>