On Thu, Jul 10, 2008 at 02:41:27PM +0200, Peter Bex wrote: > Of course, this would also require the possibility of loading a > particular version of a library. I propose this syntax: > > (require-library foo (bar 1.2) (qux 1)) > > This requires the latest installed version of foo (whatever that is), > and version 1.2 of bar. From qux the latest installed minor version > with major version 1 is required (so, if you have 1.1 and 1.2 installed, > it will pick 1.2). These semantics match those of the 'versions' egg, > I think.
On second thought, the syntax above is needlessly complex. (require-library foo bar-1.2 qux-1) is much more straightforward and maps _directly_ to the code in the 'versions' egg, too. It also reserves the "structured library names" like (bar ..) for future enhancements. Cheers, Peter -- http://sjamaan.ath.cx -- "The process of preparing programs for a digital computer is especially attractive, not only because it can be economically and scientifically rewarding, but also because it can be an aesthetic experience much like composing poetry or music." -- Donald Knuth
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