Cómo incluir un argumento extra en una llamada a un closure en Swift para iOS

Depende de cómo se llame al closure y de la cantidad de shorthand/inferencia que se utilice.

Skip to the end for main answer to this, what follows first is a fairly deep dive into the subtle interplays of type inference, shorthand, closure expressions, trailing closures and a few others.

A closure is just a block of code which is usually …