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wycats/gist:c672b11df7a35deb3bf2

Created June 25, 2014 05:19
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gistfile1.rs
trait Matcher<T, U> {
fn matches(&self, actual: T) -> Result<U, ()>;
fn didnt_match(&self, actual: T, failure: U) -> MatchError;
fn did_match(&self, actual: T, failure: U) -> MatchError;
}
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