M: byte-array nth-unsafe swap >fixnum alien-unsigned-1 ;
M: byte-array set-nth-unsafe swap >fixnum set-alien-unsigned-1 ;
: >byte-array ( seq -- byte-array ) B{ } clone-like ; inline
-M: byte-array like drop dup byte-array? [ >byte-array ] unless ;
M: byte-array new-sequence drop <byte-array> ;
M: byte-array equal?