const fin = true
	var frame ws.Frame
	if s.ClientSide() {
		// We do not need to copy the payload, since we own it.
		payload := p

		frame = ws.NewFrame(op, fin, payload)
		frame = ws.MaskFrameInPlace(frame)
	} else {
		frame = ws.NewFrame(op, fin, p)
	}

	return ww.writeFrame(w, frame)
}

// writeFrame writes frame binary representation into w.

from starlette.requests import Request
from starlette.responses import JSONResponse, Response, StreamingResponse
from starlette.routing import (
    BaseRoute,
    Match,
    compile_path,
    get_name,
)
from starlette.routing import Mount as Mount  # noqa
from starlette.types import AppType, ASGIApp, Lifespan, Receive, Scope, Send
from starlette.websockets import WebSocket
from typing_extensions import deprecated