@email@example.com J has a couple more features in the language not present in the classical APL (and #gnu #apl).
function combinations for exaples, such as argument less applicatoin of (f h g)those are 'trains' in J.
@firstname.lastname@example.org But it took me a long time to get what this is all about, klong did make it click for me. it is even less terse but comes with a similar feature set than APL...
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