Re: fixing infinities and ranges etc

2016-12-11 Thread Darren Duncan
On 2016-10-30 4:11 PM, Darren Duncan wrote: On 2016-10-30 5:45 AM, yary wrote: Before/AfterEverything are also easy to understand, and would be as natural to use for sorting strings, eg. for saying if a database NULL should go before the empty string or after everything else. On the other hand,

Re: fixing infinities and ranges etc

2016-10-30 Thread Darren Duncan
On 2016-10-30 5:45 AM, yary wrote: I'm not sure I entirely understand the proposal- does it change Inf aka ∞ ? Part of the issue I think is that the existing "Inf" aka "∞" don't seem to be very clearly defined. What I could find so far, at least with respect to Ranges, is that they are just

Re: fixing infinities and ranges etc

2016-10-30 Thread yary
I'm not sure I entirely understand the proposal- does it change Inf aka ∞ ? Otherwise I like it, and prefer the X::NegInf and X::PosInf,spellings as being easy-to-understand & a good Huffman-encoding. Before/AfterEverything are also easy to understand, and would be as natural to use for sorting

fixing infinities and ranges etc

2016-10-27 Thread Darren Duncan
I have observed that the current Perl 6 spec and implementations seem deficient in regards to representing some special values or conditions, in particular the concept of the two linear directional infinities or otherwise special values that naturally sort before and after everything else.