https://ziglang.org/documentation/master/#memset
- `@memset(dest, elem) void`
https://ziglang.org/documentation/master/std/#std.mem.zeroes
- `pub fn zeroes(comptime T: type) T`
https://ziglang.org/documentation/master/std/#std.mem.zeroInit
- `pub fn zeroInit(comptime T: type, init: anytype) T`

https://ziglang.org/documentation/master/std/#std.io.fixed_buffer_stream.FixedBufferStream
- `pub fn seekableStream(self: *Self) SeekableStream`
- `pub fn reader(self: *Self) Reader`
- `pub fn writer(self: *Self) Writer`

https://ziglang.org/documentation/master/std/#std.io.SeekableStream
https://ziglang.org/documentation/master/std/#src/std/io/seekable_stream.zig

https://ziglang.org/documentation/master/std/#std.io.Reader
https://ziglang.org/documentation/master/std/#std.io.Writer
https://ziglang.org/documentation/master/std/#std.io.GenericReader
https://ziglang.org/documentation/master/std/#std.io.GenericWriter
note:
- `std.io.Reader == std.io.GenericReader`
- `std.io.Writer == std.io.GenericWriter`
https://ziglang.org/documentation/master/std/#std.io.BufferedReader
https://ziglang.org/documentation/master/std/#std.io.BufferedWriter


https://ziglang.org/documentation/master/std/#src/std/io.zig
- `GenericReader` == `Reader`
- `GenericWriter` == `Writer`
https://ziglang.org/documentation/master/std/#src/std/io/Reader.zig
- `AnyReader`
https://ziglang.org/documentation/master/std/#src/std/io/Writer.zig
- `AnyWriter`
https://ziglang.org/documentation/master/std/#src/std/io/fixed_buffer_stream.zig



```zig

pub fn GenericReader(
    comptime Context: type,
    comptime ReadError: type,
    /// Returns the number of bytes read. It may be less than buffer.len.
    /// If the number of bytes read is 0, it means end of stream.
    /// End of stream is not an error condition.
    comptime readFn: fn (context: Context, buffer: []u8) ReadError!usize,
) type ;

pub fn GenericWriter(
    comptime Context: type,
    comptime WriteError: type,
    comptime writeFn: fn (context: Context, bytes: []const u8) WriteError!usize,
) type ;

```