Alias opaque_vec
alias xvector(T, uint32_t N = XDR_MAX_LEN) = vector!(T);
alias opaque_vec(uint N = XDR_MAX_LEN)
= xvector!(uint8_t,N);
alias xvector(T, uint32_t N = XDR_MAX_LEN) = vector!(T);
alias opaque_vec(uint N = XDR_MAX_LEN)
= xvector!(uint8_t,N);