2014-02-14 0:59 GMT+01:00 Alex Shinn <[email protected]>: > > Many people want different extensions to records, > notably the ability to create opaque and/or immutable > records, as well as inheritance, etc. We left both such > extensions and `equal?' semantics on records up to > the large language, and so were conservative in what > we specified in the small language for `eqv?'. >
So R7RS does not guaranty that the following will always return #f: (define-record-type :identifier (identifier) identifier?) (eq? (identifier) (identifier)) In order to be sure I have to add a dontcare slot with a dontcare value?
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