Exceptionally satisfying hieroglyphics
2 (↑⋈↓) "hello"
Applying multiple functions to a single subject
I found this example in some old notes about J forks: Suppose you have a monadic verb and you want to apply it to a bunch of data. Since J is an array programming language, this is very naturally done with an array of data. And suppose you have some data and you want to apply a bunch of verbs to it and collect their results. Since J is an array programming language, this is also naturally done:
NB. one verb to many
+: 0 5 10 15 20
0 10 20 30 40
NB. one noun to many
(^,-,+,|) _5
0.00673795 5 _5 5
The , there is not syntax, but the verb append. BQN has it as well, and can replicate this example exactly, but it's a rare aesthetic downgrade because ∾ (Join to) bleeds visually into the other functions instead of looking like syntax:
# one verb to many
2⊸× 0‿5‿10‿15‿20
# one noun to many
(⋆∾-∾+∾⌊) ¯5
# a more flexible way to do it
# (but no longer a justification for forks)
⟨⋆,-,+,|⟩{𝕎𝕩}¨ ¯5