[Haskell-beginners] I think someone had a complicated program to use brackets for array indexing - is it possible to use a DSL for this?

I think someone had a complicated program to use brackets for array indexing - is it possible to use a DSL for this? That is, to use myArray [5] and have a DSL convert it to standard Haskell syntax -- -- Sent from an expensive device which will be obsolete in a few months! :D Casey