14 lines
377 B
Perl
14 lines
377 B
Perl
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(let ((a 'ok))
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(and nil (set a 'fail))
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(expect "and - Short circuit" (equal a 'ok)))
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;; (let ((a 'ok))
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;; (or t (set a 'fail))
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;; (expect "or - short circuit" (equal a 'ok)))
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(expect "and - returns last value if all operands evaluate to true"
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(equal (and t 'ok) 'ok))
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(expect "and - returns nil if any operand evaluates to false"
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(null (and nil t)))
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