// CookieJar - A contestant's algorithm toolbox
// Copyright (c) 2015 Peter Szilagyi. All rights reserved.
//
// CookieJar is dual licensed: use of this source code is governed by a BSD
// license that can be found in the LICENSE file. Alternatively, the CookieJar
// toolbox may be used in accordance with the terms and conditions contained
// in a signed written agreement between you and the author(s).

// Package osext contains extensions to the base Go os package.
package osext

import "os"

// MustOpen opens the named file for reading. If successful, methods on the
// returned file can be used for reading; the associated file descriptor has
// mode O_RDONLY. If there is an error, a panic will occur.
func MustOpen(name string) *os.File {
	file, err := os.Open(name)
	if err != nil {
		panic(err)
	}
	return file
}

// MustCreate creates the named file mode 0666 (before umask), truncating it if
// it already exists. If successful, methods on the returned File can be used
// for I/O; the associated file descriptor has mode O_RDWR. If there is an error,
// a panic will occur.
func MustCreate(name string) *os.File {
	file, err := os.Create(name)
	if err != nil {
		panic(err)
	}
	return file
}