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README.md

lambda4jdt

2012 version of lambda4jdt. Eclipse plugin to fold anonymous inner classes as lambdas in Java Editor.

Read original description at http://code.google.com/p/lambda4jdt/. What's here:

  • Support for Eclipse Indigo SR2 3.7.2
  • Remove need for marker comment, simplify to one-size fits all
  • No further development planned, no features, no Juno support etc

EPL License http://www.eclipse.org/legal/epl-v10.html

Update site: https://github.com/elucash/lambda4jdt/raw/master/com.github.elucash.lambda4jdt.site/

Install plugins and then goto Preferences->Java->Editor->Folding, select folding to use "Lambda4jdt Folding". Any newly opened Java editor will pickup lambda4jdt

Read also http://code.google.com/p/guava-libraries/wiki/FunctionalExplained#Caveats

Examples

Executor e =...
e.execute {
   doSomething(a);
}
final int i = 1;//you still need final to access i in function
h.invoke(obj, () doSomethingWithIn(i));
Arrays.sort(array, (o1, o2) o1.hashCode() - o2.hashCode());

//Nested closure constructs are supported to some degree
interface Provider<T> {
  T get(Object context);
}

public Provider<Provider<Provider<String>>> myProvider() {
  return new Provider<Provider<Provider<String>>>() {
    public Provider<Provider<String>> get(Object c) {
      return new Provider<Provider<String>>() {
        public Provider<String> get(Object c) {
          return new Provider<String>() {
            public String get(Object c) {
              return "MyFavoriteStringFactory" + c;
            }
          };
        }
      };
    }
  };
}
//....
// Which may be collapsed to..
public Provider<Provider<Provider<String>>> myProvider() {
  return (c) (c) (c) "MyFavoriteStringFactory" + c;
}

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2012 version of lambda4jdt. Eclipse plugin to fold anonymous inner classes as lambdas in Java Editor.

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