From 942f4d33ed64c7066e89b0d1f1addb2427e80321 Mon Sep 17 00:00:00 2001 From: Jack Firth Date: Tue, 9 Dec 2014 22:56:16 -0800 Subject: [PATCH] Update README.md Add requires --- README.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/README.md b/README.md index faa9475..54c16be 100644 --- a/README.md +++ b/README.md @@ -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 ...))