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Just another update

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This commit is contained in:
Ingy döt Net 2015-02-20 00:35:01 -05:00
parent a25938f123
commit 00a190b0a6
6591 changed files with 94363 additions and 23227 deletions
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42
Task/Y-combinator/Java/y-combinator-5.java
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@ -1,43 +1,5 @@
import java.util.Arrays;
import java.util.Optional;
import java.util.function.Function;
import java.util.function.BiFunction;
import java.util.function.UnaryOperator;
@FunctionalInterface
public interface VarargsFunction<INPUTS, OUTPUT> extends Function<INPUTS[], OUTPUT> {
@SuppressWarnings("unchecked")
public OUTPUT apply(INPUTS... inputs);
public static <INPUTS, OUTPUT> VarargsFunction<INPUTS, OUTPUT> from(Function<INPUTS[], OUTPUT> function) {
return function::apply;
}
public static <INPUTS, OUTPUT> VarargsFunction<INPUTS, OUTPUT> upgrade(Function<INPUTS, OUTPUT> function) {
return inputs -> function.apply(inputs[0]);
}
public static <INPUTS, OUTPUT> VarargsFunction<INPUTS, OUTPUT> upgrade(BiFunction<INPUTS, INPUTS, OUTPUT> function) {
return inputs -> function.apply(inputs[0], inputs[1]);
}
@SuppressWarnings("unchecked")
public default <POST_OUTPUT> VarargsFunction<INPUTS, POST_OUTPUT> andThen(
VarargsFunction<OUTPUT, POST_OUTPUT> after) {
return inputs -> after.apply(apply(inputs));
}
@SuppressWarnings("unchecked")
public default Function<INPUTS, OUTPUT> toFunction() {
return input -> apply(input);
}
@SuppressWarnings("unchecked")
public default BiFunction<INPUTS, INPUTS, OUTPUT> toBiFunction() {
return (input, input2) -> apply(input, input2);
}
@SuppressWarnings("unchecked")
public default <PRE_INPUTS> VarargsFunction<PRE_INPUTS, OUTPUT> transformArguments(Function<PRE_INPUTS, INPUTS> transformer) {
return inputs -> apply((INPUTS[]) Arrays.stream(inputs).parallel().map(transformer).toArray());
}
}
public interface FixedPoint<FUNCTION> extends Function<UnaryOperator<FUNCTION>, FUNCTION> {}