with list fixed from std:collections
var fruits = list.of({"Apple", "Banana", "Mango", "Kiwi", "Avocado"})
|> map(??, {x => x.toLower()})
|> filter({x => x.startsWith("a")})
//if ?? is not in the parameters, the method is inserted as the first parameter
|> forEach(??, {x => console.out(x)})