in Sources/NIOTSHTTPClient/main.swift [26:34]
func channelActive(context: ChannelHandlerContext) {
var head = HTTPRequestHead(version: .init(major: 1, minor: 1), method: .GET, uri: "/get")
head.headers.add(name: "Host", value: "httpbin.org")
head.headers.add(name: "User-Agent", value: "SwiftNIO")
context.write(self.wrapOutboundOut(.head(head)), promise: nil)
context.writeAndFlush(self.wrapOutboundOut(.end(nil)), promise: nil)
print("Connected to \(context.channel.remoteAddress!) from \(context.channel.localAddress!)")
}