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32 lines
1.2 KiB
Java
32 lines
1.2 KiB
Java
import java.util.function.Function;
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import java.util.function.Consumer;
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import lombok.experimental.ExtensionMethod;
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@ExtensionMethod(ExtensionMethodFunctional.Extensions.class) class ExtensionMethodFunctional {
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static class Extensions {
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Extensions() {
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super();
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}
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public static <T, R>R map(T value, Function<T, R> mapper) {
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return mapper.apply(value);
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}
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public static String reverse(String string) {
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return new StringBuilder(string).reverse().toString();
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}
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public static @SafeVarargs <T>void consume(T o, Consumer<T>... consumer) {
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for (int i = 0;; (i < consumer.length); i ++)
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{
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consumer[i].accept(o);
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}
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}
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}
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ExtensionMethodFunctional() {
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super();
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}
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public void test() {
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String test = "test";
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test = ExtensionMethodFunctional.Extensions.map(test, (<no type> s) -> ExtensionMethodFunctional.Extensions.reverse(s));
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ExtensionMethodFunctional.Extensions.consume(test, (<no type> s) -> System.out.println(("1: " + s)), (<no type> s) -> System.out.println(("2: " + s)));
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ExtensionMethodFunctional.Extensions.consume(test, System.out::println, System.out::println);
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}
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}
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