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+Goal should_fail

Run the goal Goal and print a message if it doesn't fail

Modules

This predicate is sensitive to its module context (tool predicate, see @/2).

Examples

3.0 > 3 should_fail.

See Also

should_give / 2, should_throw / 2, should_raise / 2, should_fail / 2, should_give / 3, should_throw / 3, should_raise / 3