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On 06/02/2013 11:54 PM, John Cowan wrote:
Arthur A. Gleckler scripsit:John, have you already done one of your comprehensive surveys of existing implementations? I'd love to compare the proposal to what's already available.There isn't much. R6RS enumerations, Racket sets, and three Chicken eggs: `sets`, `cis`, and `iset`. Links are in the proposal,
Kawa has enumerations: http://www.gnu.org/software/kawa/Enumerations.html These are basically Java enumerations, using distinct enumeration objects, rather than symbols. More here, including pros and cons: http://lists.scheme-reports.org/pipermail/scheme-reports/2013-May/003511.html -- --Per Bothner per@xxxxxxxxxxx http://per.bothner.com/