From 3e79f237eb5bfdbb853ee449b5099c64a17bfac1 Mon Sep 17 00:00:00 2001
From: rowan <rowan@kitsu.cafe>
Date: Sun, 25 May 2025 08:33:35 -0500
Subject: [PATCH] massage the numbers,

---
 src/multi.js | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/multi.js b/src/multi.js
index c734096..b84bca6 100644
--- a/src/multi.js
+++ b/src/multi.js
@@ -46,18 +46,23 @@ export const many = curry((parser, state) => {
 
 export const many1 = parser => seq(parser, many(parser))
 
-const _range = (start, end, step = 1) => {
-  const len = end - start + 1
+const _range = (start, end, step = 1, deny = []) => {
+  const len = end - start - deny.length + 1
   const result = new Array(len)
 
   for (let i = 0, n = start; i <= len; i += i, n += step) {
+    if (deny.includes(n)) { continue }
     result[i] = n
   }
 
   return result
 }
 
-export const range = (start, end) => {
-  return anyChar(_range(start.codePointAt(0), end.codePointAt(0)))
+const code = s => s.codePointAt(0)
+
+export const range = (start, end, deny = []) => {
+  return anyChar(
+    _range(code(start), code(end), deny.map(code)).map(String.fromCodePoint)
+  )
 }