November 21
// Função receive()
char[] receive(Socket socket, int size = 8192) nothrow {
	try {
		char[] buffer;
		buffer.length = size;
		int rq = socket.receive(buffer);
		return buffer[0..rq];
	} catch(Throwable){return null;}
}


s = new Socket(AddressFamily.INET, SocketType.STREAM);
writeln(s.receive(8192)); // How slow is using as friendly function?
November 21
On Saturday, 21 November 2020 at 00:26:03 UTC, Marcone wrote:
> // Função receive()
> char[] receive(Socket socket, int size = 8192) nothrow {
> 	try {
> 		char[] buffer;
> 		buffer.length = size;
> 		int rq = socket.receive(buffer);
> 		return buffer[0..rq];
> 	} catch(Throwable){return null;}
> }
>
>
> s = new Socket(AddressFamily.INET, SocketType.STREAM);
> writeln(s.receive(8192)); // How slow is using as friendly function?

Calling a function with or without UFCS makes absolutely no difference to performance. The compiler will generate the exact same code whether you write `receive(s, 8192)` or `s.receive(8192)`.