doc / ch.tutteli.atrium.api.fluent.en_GB.creating.feature / MetaFeatureOption / f1


fun <A1, R> f1(f: KFunction1<A1, R>, a1: A1): MetaFeature<R> (source)

Creates a MetaFeature for the given function f which expects 1 argument.

Notice for expectation function writers: you should use feature and pass a class reference instead of using this convenience function (e.g. feature(MyClass::fun, ...)). This way we are always able to report the function name, even if the subject is not defined which occurs if a previous transformation of the subject could not be carried out.