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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Bitwise-IO/Raku/bitwise-io.raku Normal file
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sub encode-ascii(Str $s) {
my @b = flat $s.ords».fmt("%07b")».comb;
@b.push(0) until @b %% 8; # padding
Buf.new: gather while @b { take reduce * *2+*, (@b.pop for ^8) }
}
sub decode-ascii(Buf $b) {
my @b = flat $b.list».fmt("%08b")».comb;
@b.shift until @b %% 7; # remove padding
@b = gather while @b { take reduce * *2+*, (@b.pop for ^7) }
return [~] @b».chr;
}
say my $encode = encode-ascii 'STRING';
say decode-ascii $encode;