trait MonadicCondition extends AnyRef
A MonadicCondition allows building boolean expressions of the form (a(0) && a(1) && .. && a(n)), where a(k) is a boolean expression, and collecting the computation failures to a list of messages.
Example: val isTooYoung = true; val isTooBad = false; val isTooStupid = true; val exp = (!isTooYoung ~ "too young") && (!isTooBad ~ "too bad") && (!isTooStupid ~ "too stupid") println(exp match { case False(msgs) => msgs mkString("Test failed because it is '", "' and '", "'.") case _ => "success" })
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- abstract def &&(cond: MonadicCondition): MonadicCondition
- abstract def ~(msg: String): MonadicCondition
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