lombok/test/transform/resource/before/ExtensionMethodInLambda.java

// version 8:
import java.util.function.Function;
import lombok.experimental.ExtensionMethod;

@ExtensionMethod(value = ExtensionMethodInLambda.Extensions.class)
public class ExtensionMethodInLambda {
	public void testSimple() {
		String test = "test";
		test = test.map(s -> s.reverse());
	}
	
	public void testSameName() {
		String test = "test";
		test = test.map(s -> s.trim());
	}
	
	public void testArgumentOfInvalidMethod() {
		String test = "test";
		test.invalid(s -> s.reverse());
	}
	
	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();
		}
		
		public static String trim(Integer integer) {
			return "0";
		}
	}
}