melix

class Xml {
    boolean called = false
    void bar() { called = true }
    void foo(@DelegatesTo(Xml)Closure cl) { cl.delegate=this;cl() }
}
def mylist = [1]
def xml = new Xml()
xml.foo {
    mylist.each { bar() }
}

melix

class Foo {
    def foo() { println 'Called foo' }
}

@groovy.transform.CompileStatic
def with(Object target, @DelegatesTo(parameter='target') Closure arg) {
    arg.delegate = target
    arg()
}

melix

@GrabResolver('http://www.emn.fr/z-info/choco-repo/mvn/repository/')
@Grab('choco:choco-solver:2.1.5')
import static choco.Choco.*
import choco.cp.model.CPModel
import choco.cp.solver.CPSolver
import choco.kernel.model.variables.integer.IntegerVariable

@groovy.transform.CompileStatic
def solve(Map<String,Integer> menu, int sum) {
    def m = new CPModel()

melix

def parser = new groovy.json.JsonSlurper()
def contribs = parser.parseText(new URL('https://api.github.com/repos/groovy/groovy-core/contributors').text)

def stats = contribs.inject([sum:0,contribs:[:]]) { map, val ->
  map.contribs[val.login] = val.contributions
  map.sum += val.contributions
  map
}
stats.contribs.each {
    println "${it.key.padRight(16)} = $it.value (${(int)(100*it.value/stats.sum)}%)"

melix

import groovy.transform.CompileStatic
import groovyx.ast.bytecode.Bytecode
import java.lang.invoke.*;
import java.lang.invoke.MethodHandles.Lookup;
import static groovyjarjarasm.asm.Opcodes.*
import static java.lang.invoke.MethodHandles.*

public static MethodHandle findMethod(Lookup lookup, String name) {
    lookup.findVirtual(Main, name, MethodType.methodType(int))
}

melix

static void greet(String name) { println "Hello, $name!" }

melix

First, create:

foo/Echo.ceylon:
    class Echo() {
       shared void echo(Array<String> list) { print(list); }
    }

foo/Echo2.ceylon
    import foo {Echo}

melix

@Grab('com.googlecode.gbench:gbench:0.4.2-groovy-2.1')
class Person {
    String name
    int age
}

def p = new Person(name:'foo', age:10)
def pName = 'name'
def props = p.properties

melix

/*
 * Copyright 2003-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

melix

import org.codehaus.groovy.control.CompilerConfiguration
import org.codehaus.groovy.syntax.SyntaxException
import org.codehaus.groovy.ast.ClassNode
import org.codehaus.groovy.control.SourceUnit
import org.codehaus.groovy.classgen.GeneratorContext

class SynchronizedRemover extends org.codehaus.groovy.control.customizers.CompilationCustomizer {
    SynchronizedRemover() {
        super(org.codehaus.groovy.control.CompilePhase.CONVERSION)
    }