From 019470faf1cc59a8ebdbc1d79e0b92b832a66342 Mon Sep 17 00:00:00 2001
From: Celestino Amoroso <celestino.amoroso@gmail.com>
Date: Wed, 19 Jun 2024 09:20:02 +0200
Subject: [PATCH] operator-range.go: Fixed priority bug; when range only has
 the left limit, right limit is set to ConstLastIndex constant

---
 operator-range.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/operator-range.go b/operator-range.go
index 8b485de..14ee694 100644
--- a/operator-range.go
+++ b/operator-range.go
@@ -29,7 +29,7 @@ func newRangeTerm(tk *Token) (inst *term) {
 		tk:       *tk,
 		children: make([]*term, 0, 2),
 		position: posInfix,
-		priority: priDot,
+		priority: priRange,
 		evalFunc: evalRange,
 	}
 }
@@ -47,7 +47,7 @@ func evalRange(ctx ExprContext, self *term) (v any, err error) {
 		if leftValue, err = self.children[0].compute(ctx); err != nil {
 			return
 		}
-		rightValue = int64(-1)
+		rightValue = int64(ConstLastIndex)
 	} else if leftValue, rightValue, err = self.evalInfix(ctx); err != nil {
 		return
 	}