From 62ef0d699dc5fcefd323acf113c94281eb244f21 Mon Sep 17 00:00:00 2001
From: Celestino Amoroso <celestino.amoroso@gmail.com>
Date: Wed, 19 Jun 2024 09:16:19 +0200
Subject: [PATCH] token.go: new function IsOneOf()

---
 token.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/token.go b/token.go
index 64a48e8..d12ac60 100644
--- a/token.go
+++ b/token.go
@@ -60,7 +60,11 @@ func (tk *Token) IsError() bool {
 }
 
 func (tk *Token) IsTerm(termSymbols []Symbol) bool {
-	return tk.IsEos() || tk.IsError() || (termSymbols != nil && slices.Index(termSymbols, tk.Sym) >= 0)
+	return tk.IsEos() || tk.IsError() || tk.IsOneOf(termSymbols)
+}
+
+func (tk *Token) IsOneOf(termSymbols []Symbol) bool {
+	return termSymbols != nil && slices.Index(termSymbols, tk.Sym) >= 0
 }
 
 func (tk *Token) IsSymbol(sym Symbol) bool {