86025c5e_ategory_Theory_for_Programming__Programmer
[Mathematician] Natural transformation [Programmer] 
rearrangement function
A r r o w
S t r i n g - l i k e
A c y c l i c g r a p h
T h e s a m e
r e a r r a n g e m e n t f u n c t i o n
L O L C a t
Category Theory for Programming
Programmer