Re: Empty? No. Array? No. Has? Yes.

[Sean Conner <sean@...>]

It was thus said that the Great Andrew Starks once stated:
> >
> type(n1) ~= "string" and tostring(n1) == "-nan"
> ? Is it type number? If so, it's the only number not equal to itself, so
> you've got that going for it.

  "nan" seems to behave in an implementation dependent manner:

> n1=0/0
> n2=0/0
> print (n1, n2, n1==n2, n1==n1)
nan     nan     false   false

  -spc