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Jack Firth 2014-12-09 22:56:16 -08:00
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@ -14,6 +14,9 @@ Sometimes complex Racket macros need a way for their syntax to be extended. The
If a user of this macro wished for a way to specify a range of numbers as the arguments, the user must define their own version of call-each with support for ranges that expands to using the original call-each. However, this racket package provides a form, define-syntax-with-expanders:
(require generic-syntax-expanders
(for-syntax racket/list))
(define-syntax-with-expanders call-each
(syntax-parser
[(_ f (expr ...))