pub fn is_wildcard(&self) -> bool {
        match *self {
            TargetSpec::Wildcard => true,
            _ => false,
        }
    }
/// Check whether this specification is just a wildcard.
Check whether this specification is just a wildcard.
Check whether this specification is just a wildcard .
pub fn is_wildcard(&self) -> bool {
        match *self {
            TargetSpec::Wildcard => true,
            _ => false,
        }
    }
pub fn is_wildcard ( & self ) -> bool { match * self { TargetSpec :: Wildcard => true , _ => false , } }
Check whether this specification is just a wildcard.
Check whether this specification is just a wildcard .
&self
&self