JOIN

This generator expression belongs to the List Transformations family. See that section for related generator expressions.

Syntax

$<JOIN:list,glue>

Joins the list with the content of the glue string inserted between each item. This is conceptually the same operation as $<LIST:JOIN,list,glue>, but the two have different behavior with regard to empty items. $<LIST:JOIN,list,glue> preserves all empty items, whereas $<JOIN:list,glue> drops all empty items from the list.