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Ingy döt Net 2013-04-10 22:43:41 -07:00
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Task/Gray-code/Ursala/gray-code.ursala Normal file
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#import std
#import nat
xor = ~&Y&& not ~&B # either and not both
btog = xor*+ zipp0@iitBX # map xor over the argument zipped with its shift
gtob = ~&y+ =><0> ^C/xor@lrhPX ~&r # fold xor over the next input with previous output
#show+
test = mat` * 2-$'01'***K7xSS pad0*K7 <.~&,btog,gtob+ btog>* iota32