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This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig standard library. Private Function

stream

Doc Source

Private Function

std.testing.Reader.stream

fn stream(io_r: *Io.Reader, w: *Io.Writer, limit: Io.Limit) Io.Reader.StreamError!usize

Params

io_r: *Io.Reader
w: *Io.Writer
limit: Io.Limit

File

testing.zig:1289

    fn stream(io_r: *Io.Reader, w: *Io.Writer, limit: Io.Limit) Io.Reader.StreamError!usize {
        const r: *Reader = @alignCast(@fieldParentPtr("interface", io_r));
        if (r.calls.len - r.next_call_index == 0) return error.EndOfStream;
        const call = r.calls[r.next_call_index];
        const buffer = r.artificial_limit.sliceConst(limit.sliceConst(call.buffer[r.next_offset..]));
        const n = try w.write(buffer);
        r.next_offset += n;
        if (call.buffer.len - r.next_offset == 0) {
            r.next_call_index += 1;
            r.next_offset = 0;
        }
        return n;
    }