Method recv

crates/stdlib/src/socket.rs:1647–1661

(
            &self,
            bufsize: usize,
            flags: OptionalArg<i32>,
            vm: &VirtualMachine,
        )

        #[pymethod]
        fn recv(
            &self,
            bufsize: usize,
            flags: OptionalArg<i32>,
            vm: &VirtualMachine,
        ) -> Result<Vec<u8>, IoOrPyException> {
            let flags = flags.unwrap_or(0);
            let mut buffer = Vec::with_capacity(bufsize);
            let sock = self.sock()?;
            let n = self.sock_op(vm, SelectKind::Read, || {
                sock.recv_with_flags(buffer.spare_capacity_mut(), flags)
            })?;
            unsafe { buffer.set_len(n) };
            Ok(buffer)
        }

        #[pymethod]
        fn recv_into(