johnwcowan
/ bang.scm
Created
October 7, 2020 20:02
The K language's ! operator in Scheme, or, Polymorphism gone wild
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| (import (srfi 1)) | |
| ;; The K language's polymorphic ! operator | |
| (define bang | |
| (case-lambda | |
| ((x) | |
| (iota x)) | |
| ((x y) | |
| (cond | |
| ((exact-integer? y) |
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