Dimitre Novatchev wrote:
Case in point: I don't consider XSLT to be functional because of the hoops
you have to go through to get something resembling lambda functions. [...]
Not exactly lambda-functions, but various ways of creating dynamically
new functions are well-known and have been supported with FXSL for
years:
[snip]
Yes, those hoops are the ones I was talking about.
Closures are something I'd be curious to see done in XSLT, though I still
have never come across a programming problem in real life that was best
solved by using them.
Has been done for quite some time; see:
http://dnovatchev.spaces.live.com/blog/cns!44B0A32C2CCF7488!384.entry
That link was to a discussion on transitive closures (a property of
graphs), not the closures I was talking about
[http://en.wikipedia.org/wiki/Closure_(computer_science)]. Not so much
OO as one way to implement OO.
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