/// Errors produced by `Matcher::matches`.
///
/// These correspond to `MatcherException` on the C++ side.
#[derive(Debug)]
pub enum MatcherError {
/// Current matchable doesn't have an attribute named `attr`
AttributeUnavailable { attr: String },
/// Compiling regular expression `regex` produced an error message `errmsg`
InvalidRegex { regex: String, errmsg: String },
}