From e784de8a66c3645fdd3a54939b5b844f3bacd82d Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@lukeshu.com>
Date: Wed, 13 Jul 2022 23:55:59 -0600
Subject: diskio.File: Add .Close() and don't have .Size() return an error

---
 lib/diskio/file_iface.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 lib/diskio/file_iface.go

(limited to 'lib/diskio/file_iface.go')

diff --git a/lib/diskio/file_iface.go b/lib/diskio/file_iface.go
new file mode 100644
index 0000000..206db0c
--- /dev/null
+++ b/lib/diskio/file_iface.go
@@ -0,0 +1,24 @@
+// Copyright (C) 2022  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package diskio
+
+import (
+	"io"
+)
+
+type File[A ~int64] interface {
+	Name() string
+	Size() A
+	Close() error
+	ReadAt(p []byte, off A) (n int, err error)
+	WriteAt(p []byte, off A) (n int, err error)
+}
+
+type assertAddr int64
+
+var (
+	_ io.WriterAt = File[int64](nil)
+	_ io.ReaderAt = File[int64](nil)
+)
-- 
cgit v1.2.3-2-g168b