From 10a596a4cde3c8d2b4cf3d3854dfcd3cd08e3f79 Mon Sep 17 00:00:00 2001
From: Celestino Amoroso <celestino.amoroso@gmail.com>
Date: Tue, 4 Jun 2024 11:02:26 +0200
Subject: [PATCH] parser.go: commented out some useless code

---
 parser.go | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/parser.go b/parser.go
index 9bab620..0e9342a 100644
--- a/parser.go
+++ b/parser.go
@@ -6,7 +6,6 @@ package expr
 
 import (
 	"errors"
-	"fmt"
 )
 
 //-------- parser
@@ -335,7 +334,7 @@ func (self *parser) parseGeneral(scanner *scanner, allowForest bool, allowVarRef
 	var tk *Token
 	tree = NewAst()
 	firstToken := true
-	lastSym := SymUnknown
+	// lastSym := SymUnknown
 	for tk = scanner.Next(); err == nil && tk != nil && !tk.IsTerm(termSymbols); tk = scanner.Next() {
 		if tk.Sym == SymComment {
 			continue
@@ -404,9 +403,9 @@ func (self *parser) parseGeneral(scanner *scanner, allowForest bool, allowVarRef
 				}
 			}
 		case SymEqual:
-			if err = checkPrevSymbol(lastSym, SymIdentifier, tk); err == nil {
-				currentTerm, err = tree.addToken2(tk)
-			}
+			// if err = checkPrevSymbol(lastSym, SymIdentifier, tk); err == nil {
+			currentTerm, err = tree.addToken2(tk)
+			// }
 		case SymFuncDef:
 			var funcDefTerm *term
 			if funcDefTerm, err = self.parseFuncDef(scanner); err == nil {
@@ -450,7 +449,7 @@ func (self *parser) parseGeneral(scanner *scanner, allowForest bool, allowVarRef
 			selectorTerm = nil
 
 		}
-		lastSym = tk.Sym
+		// lastSym = tk.Sym
 	}
 	if err == nil {
 		err = tk.Error()
@@ -458,9 +457,9 @@ func (self *parser) parseGeneral(scanner *scanner, allowForest bool, allowVarRef
 	return
 }
 
-func checkPrevSymbol(lastSym, wantedSym Symbol, tk *Token) (err error) {
-	if lastSym != wantedSym {
-		err = fmt.Errorf(`assign operator (%q) must be preceded by a variable`, tk.source)
-	}
-	return
-}
+// func checkPrevSymbol(lastSym, wantedSym Symbol, tk *Token) (err error) {
+// 	if lastSym != wantedSym {
+// 		err = fmt.Errorf(`assign operator (%q) must be preceded by a variable`, tk.source)
+// 	}
+// 	return
+// }