Simple Groovy Mixin example

mixins.groovy

class Other {
    def first = {
        return list[0]
    }

    def hello(){
        return "hello ${ myName() }"
    }
}

@Mixin( Other )
​class Simple {  
    
    def list = [1]
    
    def myName(){
        return "Simple"
    }
}

println new Simple().hello()
println new Simple().first()