IntToLongFunction represents a function that accepts an int-valued argument and produces a long-valued result. This is the int-to-long primitive specialization for Function.
The following example shows how to use IntToLongFunction
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import java.util.function.IntToLongFunction; public class Main { public static void main(String[] args) { IntToLongFunction i = (x) -> Long.MAX_VALUE-x; System.out.println(i.applyAsLong(2)); } }
The code above generates the following result.