are negative numbers allowed?

[benolee]

what about negative numbers?

-35
-1.2

I'll throw in another question just because I haven't seen it yet -- what about nil?

[mojombo]

Negatives added in 2aa7b44. I'm still pondering nil. Care to present an argument one way or another?

[benolee]

Honestly, I can't think of any good reasons.

I'm considering if it matters that the value of a missing key in ruby hashes (using []) is nil, while in javascript, it's undefined. Maybe just have empty values?

For example

# in json this would be {"key":null}
key =