Marcin 'Qrczak' Kowalczyk
- Do the character class functions (isUpper, isAlpha etc.) work correctly on the full range of Unicode characters?
It's not obvious what the predicates should really mean, e.g. should isDigit and isHexDigit include non-ASCII digits or should isSpace include non-breaking space characters.
I think perhaps the answer is all of the above. The functions could be defined in multiple modules, so that 'ASCII.isSpace' would match the "normal" space character only, while 'Unicode.isSpace' could match all the weird and wonderful stuff in the standard. I also have the feeling that 'String' and/or 'Char' should be classes rather than data types (perhaps with 'String' built on top of a more general 'Sequence' type?) Ideally, you could treat an array as well as a list as a string. JM$0.02 -kzm -- If I haven't seen further, it is by standing in the footprints of giants