From 69643f8e38ee74406365704f73be4d5f865af8da Mon Sep 17 00:00:00 2001
From: Ryo Nihei <nihei.dev@gmail.com>
Date: Thu, 1 Apr 2021 21:03:40 +0900
Subject: Add logical inverse expression

[^a-z] matches any character that is not in the range a-z.
---
 compiler/ast.go | 9 ---------
 1 file changed, 9 deletions(-)

(limited to 'compiler/ast.go')

diff --git a/compiler/ast.go b/compiler/ast.go
index f0181f5..0b72f8d 100644
--- a/compiler/ast.go
+++ b/compiler/ast.go
@@ -119,15 +119,6 @@ func (s symbolPositionSet) sort() []symbolPosition {
 	return sorted
 }
 
-type byteRange struct {
-	from byte
-	to   byte
-}
-
-func (r byteRange) String() string {
-	return fmt.Sprintf("%v - %v", r.from, r.to)
-}
-
 type astNode interface {
 	fmt.Stringer
 	children() (astNode, astNode)
-- 
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