Special Code: Trains Index   <<   >>


 
Monad  
 
(≢∪) for 1-bit and 1-, 2-, and 4-byte items;
for small-range 4-byte items

 
Dyad
 
(⍳∘1 cmp) see (1 ⍳⍨ cmp)
(f/ cmp) f is one of + ∧ ∨
(f¨ ⊂) (array  ) f is
(vector) f is one of +/ ×/ ⌈/ ⌊/ ∧/ ∨/
(1 ⍳⍨ cmp) also (⍳∘1 cmp) ;  also 0 instead of 1

cmp is one of < ≤ = ≠ ≥ >