Comparisons Comparisons between ayr and a few other languages Raze boxed list Language Program Notes ayr , Works for arbitrary depth APL (⊃,/)⍣≡ Works for arbitrary depth. Without ⍣≡, it doesn't J ; Doesn't work for arbitrary depth Haskell concat Doesn't work for arbitrary depth Sum rows of matrix, then get the product of those sums Language Program Notes ayr */+/ APL ×/+/ J */+/"1 J's reduce operates on the data as a whole, instead of rank 1 by default Haskell foldr (*) 1 . map (foldr (+) 0) Check if parens are balanced Language Program Notes ayr ((=/+/)^.(</>&~."))'()'=\ :((|+/)^.1=>)(+/1 _1*)"'()'=\: APL ((=/+/)∧(</⊃⍤⍸⍤1))'()'∘.=⊢ {((=/+/)∧'('=1⌷⍵/⍨∨⌿)'()'∘.=⍵} Generate N rows of Pascal's triangle Language Program Notes ayr !\`~ :;1,1,"!&:~"~ APL ⍉(∘.!⍨⍳) Matrix multiplication Language Program Notes ayr ,.\= +/&*\= APL +.× ∘.(+/⍤×)⍥↓∘⍉ K +/'*\: J +/ .* +/@:*"$ Game of life Language Program Notes ayr gol.ayr Dyalog Extended gol.apl