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#!/usr/bin/perl -s
use v5.16;
use Test2::V0;
our ($tests, $examples);
run_tests() if $tests || $examples; # does not return
die <<EOS unless @ARGV == 1;
usage: $0 [-examples] [-tests] [BITS]
-examples
run the examples from the challenge
-tests
run some tests
BITS
test if BITS form a "special bit sequence"
EOS
### Input and Output
say 0 + bit_sequence(shift);
### Implementation
sub bit_sequence {
shift =~ /^(11|10|0)*0$/;
}
### Examples and tests
sub run_tests {
SKIP: {
skip "examples" unless $examples;
ok bit_sequence('100'), 'example 1';
ok !bit_sequence('1110'), 'example 2';
}
SKIP: {
skip "tests" unless $tests;
}
done_testing;
exit;
}
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