Better error message for predicate with sequence

parser/parser.go

@@ -619,6 +619,9 @@ func (p *parser) parsePredicate() Node {
 		node = p.parseSequenceExpression()
 	} else {
 		node = p.parseExpression(0)
+		if p.current.Is(Operator, ";") {
+			p.error("wrap predicate with brackets { and }")
+		}
 	}
 	p.depth--
 

parser/parser_test.go

@@ -925,7 +925,7 @@ func TestParse_error(t *testing.T) {
  | .....^`},
 		{
 			`map(ls, 1; 2; 3)`,
-			`unexpected token Operator(";") (1:10)
+			`wrap predicate with brackets { and } (1:10)
  | map(ls, 1; 2; 3)
  | .........^`,
 		},