// Copyright (C) 2018-2021  Nexedi SA and Contributors.
//                          Kirill Smelkov <kirr@nexedi.com>
//
// This program is free software: you can Use, Study, Modify and Redistribute
// it under the terms of the GNU General Public License version 3, or (at your
// option) any later version, as published by the Free Software Foundation.
//
// You can also Link and Combine this program with other software covered by
// the terms of any of the Free Software licenses or any of the Open Source
// Initiative approved licenses and Convey the resulting work. Corresponding
// source of such a combination shall include the source code for all other
// software used.
//
// This program is distributed WITHOUT ANY WARRANTY; without even the implied
// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
//
// See COPYING file for full licensing terms.
// See https://www.nexedi.com/licensing for rationale and options.

package zdata

import (
	"fmt"

	"lab.nexedi.com/kirr/neo/go/zodb"
)

// tidmax returns latest revision.
func tidmax(a, b zodb.Tid) zodb.Tid {
	if a > b {
		return a
	} else {
		return b
	}
}

// tidmin returns earliest revision.
func tidmin(a, b zodb.Tid) zodb.Tid {
	if a < b {
		return a
	} else {
		return b
	}
}

func panicf(format string, argv ...interface{}) {
	panic(fmt.Sprintf(format, argv...))
}
