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Kyle Isom 2019-04-25 19:57:56 -07:00
parent 26dcb6035a
commit 2796f1b209
1 changed files with 2 additions and 0 deletions
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pe/chapter7.erl
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@ -38,6 +38,8 @@ test() ->
<<246, 54, 54, 166, 22>> = reverse_bits(<<"hello">>).
%% 5. Write a function to reverse the bits in a binary.
%% This feels pretty inelegant.
reverse_byte(<<A:1, B:1, C:1, D:1, E:1, F:1, G:1, H:1>>) ->
<<H:1,G:1,F:1,E:1,D:1,C:1,B:1,A:1>>;
reverse_byte(<<>>) -> <<>>.