Assertion: expression's result | /r/HasProperty | unspecified
Facets:
Source sentences:
text: If <test> yields a false value and no <alternate> is specified, then the result of the expression is unspecified.
text: If all <test>s evaluate to false values, and there is no else clause, then the result of the conditional expression is unspecified; if there is an else clause, then its <expression>s are evaluated, and the value of the last one is returned.
text: If the result of evaluating <key> is different from every <datum>, then if there is an else clause its expressions are evaluated and the result of the last is the result of the case expression; otherwise the result of the case expression is unspecified.