MatchFailed
object MatchFailed
Singleton object that provides unapply
method to extract failure message from MatchResult
having matches
property value of false
.
Value members
Concrete methods
Extractor enabling patterns that match MatchResult
having matches
property value of false
,
extracting the contained failure message.
Extractor enabling patterns that match MatchResult
having matches
property value of false
,
extracting the contained failure message.
For example, you can use this extractor to get the failure message of a MatchResult
like this:
matchResult match {
case MatchFailed(failureMessage) => // do something with failureMessage
case _ => // when matchResult.matches equal to true
}
- Value parameters:
- matchResult
the
MatchResult
to extract the failure message from.
- Returns:
a
Some
wrapping the contained failure message ifmatchResult.matches
is equal totrue
, elseNone
.