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-rw-r--r--lexer.go4
1 files changed, 2 insertions, 2 deletions
diff --git a/lexer.go b/lexer.go
index 704c32c..0c6f982 100644
--- a/lexer.go
+++ b/lexer.go
@@ -157,7 +157,7 @@ func (y *yyLex) acceptRune(valid ...rune) bool {
}
func (y *yyLex) accept(valid string) bool {
- if strings.IndexRune(valid, y.next()) >= 0 {
+ if strings.ContainsRune(valid, y.next()) {
return true
}
y.backup()
@@ -165,7 +165,7 @@ func (y *yyLex) accept(valid string) bool {
}
func (y *yyLex) acceptRun(valid string) {
- for strings.IndexRune(valid, y.next()) >= 0 {
+ for strings.ContainsRune(valid, y.next()) {
}
y.backup()
}