While doing work to support user-extensible sequences, it was discovered that the ANSI CL standard (X3.226-1994) forbids integration of certain functions with not only user-extensible sequences but also implementation extensions of sequence. Irrespective of the future of user-extensible sequences, we argue that the restriction on implementations imposed by the wording adopted is too stringent, and propose an alternative.
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This page last modified: January 21, 2007