Atom - j - Join

Characters: j

Tags: array

Arity: dyadic

This atom is dyadic, which means it takes two arguments.

Functionality

Join the list x with some separator y.

Details

Each sublist of x is concatenated with y in between. Essentially, this functions as x[1] ; y ; x[2] ; y ; x[3] ; ... ; x[-1] ; y ; x[0].