class Protocol::HTTP2::PushPromiseFrame


---------------------------------------------------------------
| Padding (*) …
---------------------------------------------------------------
| Header Block Fragment (*) …
-—————————–-------------------------------
|R| Promised Stream ID (31) |
-————------------------------------------------------
|Pad Length? (8)|
---------------
The PUSH_PROMISE frame is used to notify the peer endpoint in advance of streams the sender intends to initiate. The PUSH_PROMISE frame includes the unsigned 31-bit identifier of the stream the endpoint plans to create along with a set of headers that provide additional context for the stream.

def apply(connection) 

def apply(connection)
	connection.receive_push_promise(self)
end

def pack(stream_id, data, *arguments, **options) 

def pack(stream_id, data, *arguments, **options)
	super([stream_id].pack(FORMAT) + data, *arguments, **options)
end

def unpack 

def unpack
	data = super
	
	stream_id = data.unpack1(FORMAT)
	
	return stream_id, data.byteslice(4, data.bytesize - 4)
end