colorForth, the language of traffic lights

2001-10-23 Thread Michael G Schwern
Some of you may remember (and some wish we could forget) a ramble I posted about six months back about traffic lights and language design and all the weird ways we get meaning out of such a small # of symbols. One of the things I'd pondered was using color for syntax. Well, somebody else did. I

Re: the handiness of undef becoming NaN (when you want that)

2001-10-23 Thread Aaron Sherman
On Tue, Oct 23, 2001 at 08:08:27AM +1000, Damian Conway wrote: > >> > To check for numericity of input, you'll write: >> > >> > $number = +<$fh> >> > until defined $number; >> > >> > If you ignore the definedness, the C will just promote to zero >