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package bjc.utils.funcutils;
import java.util.function.BiFunction;
import java.util.function.Function;
import java.util.function.IntConsumer;
/**
* Utility things for functions
*
* @author ben
*
*/
public class FuncUtils {
/**
* Do the specified action the specified number of times
*
* @param nTimes
* The number of times to do the action
* @param cons
* The action to perform
*/
public static void doTimes(int nTimes, IntConsumer cons) {
for (int i = 0; i < nTimes; i++) {
cons.accept(i);
}
}
/**
* Convert a binary function into a unary function that returns a
* function
*
* @param <A> The initial type of the function
* @param <B> The intermediate type of the function
* @param <C> The terminal type of the function
* @param func The function to transform
* @return The function transformed into a unary function returning a function
*/
public static <A, B, C> Function<A, Function<B, C>> curry2(
BiFunction<A, B, C> func) {
return (arg1) -> (arg2) -> {
return func.apply(arg1, arg2);
};
}
}
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