Exercise: Small-Range Integers II Index   <<   >>


  ⍕int8 in v15.0 is faster by a factor of up to 10.

   f←{(2⍲/' '=' ',t)/t←,(' ',⍕⍪¯128+⍳256)[⍵+128;]}
   x←¯100+?1e6⍴220
   (⍕x) ≡ f x
1
Generalize this to ⍕x where x are small-range integers.