kikito/7-languages-in-7-weeks — comment on commit 6ba353f5ef13fbc9b8f91f3b6658e7c74fb10ed3
File: 2-io/day-2/day-2.io line 33
By arturoherrero:

Not bad, but I think that my solution is easier to understand but worst performance
`List sum2d := method(flatten sum)`