multiple expr per print

parser.v

@@ -183,8 +183,8 @@ struct ParenExpr {
 }
 
 struct PrintExpr {
-	expr Expr
-	type string
+	exprs []Expr
+	types []string
 }
 
 struct FnCall {
@@ -408,9 +408,20 @@ fn (mut p Parser) parse_call(name string) FnCall {
 
 fn (mut p Parser) parse_print() PrintExpr {
 	p.expect(.lparen)
-	expr := p.parse_expr(.lowest)
+	mut exprs := []Expr{}
+	mut types := []string{}
+	for p.peek().type != .rparen {
+		expr := p.parse_expr(.lowest)
+		exprs << expr
+		types << p.get_expr_type(expr)
+		if p.peek().type == .comma {
+			p.next()
+		} else {
+			break
+		}
+	}
 	p.expect(.rparen)
-	return PrintExpr{expr: expr, type: p.get_expr_type(expr)}
+	return PrintExpr{exprs: exprs, types: types}
 }
 
 fn (mut p Parser) parse_binary(left Expr, op string, prec Precedence) BinaryExpr {