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-rw-r--r--test/transform/resource/before/ExtensionMethodFunctional.java47
1 files changed, 47 insertions, 0 deletions
diff --git a/test/transform/resource/before/ExtensionMethodFunctional.java b/test/transform/resource/before/ExtensionMethodFunctional.java
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+++ b/test/transform/resource/before/ExtensionMethodFunctional.java
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+// version 8:
+import java.util.function.Consumer;
+import java.util.function.Function;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import lombok.experimental.ExtensionMethod;
+
+@ExtensionMethod(value = ExtensionMethodFunctional.Extensions.class, suppressBaseMethods = false)
+class ExtensionMethodFunctional {
+ public void test() {
+ String test = "test";
+ test = test.map(s -> s.reverse());
+
+ test.consume(s -> System.out.println("1: " + s), s -> System.out.println("2: " + s));
+ test.consume(System.out::println, System.out::println);
+
+ Stream.of("a", "b", "c").map(String::toUpperCase).toList1();
+ List<Integer> i2 = Stream.of("a", "b", "c").map(String::toUpperCase).toList2();
+ }
+
+ static class Extensions {
+ public static <T, R> R map(T value, Function<T, R> mapper) {
+ return mapper.apply(value);
+ }
+
+ public static String reverse(String string) {
+ return new StringBuilder(string).reverse().toString();
+ }
+
+ @SafeVarargs
+ public static <T> void consume(T o, Consumer<T>... consumer) {
+ for (int i = 0; i < consumer.length; i++) {
+ consumer[i].accept(o);
+ }
+ }
+
+ public static <T> List<T> toList1(Stream<T> stream) {
+ return (List<T>) stream.collect(Collectors.toList());
+ }
+
+ public static <T, U> List<U> toList2(Stream<T> stream) {
+ return null;
+ }
+ }
+}