"I have developed an elegant solution to this problem."

1 minute later. . .

"Oh, there was already a method for that."

Probably need tests for that case.

Xmas eve will == 359 on leap years.

Assumes single-character markers.

Thanks, i'll do like that next time.

Ah! You're right, thanks.

Are you sure that you're allowing for the second argument being optional? If so, you'll have to show me your code so that I can see what's going on (you can spoiler flag it).

Instead of those lambdas you could just use 'add' => :+.

This is why Ruby is beautiful.

This isn't very Ruby. (1) you should use the builtin fetch, (2) if not, you should use unless statements instead.