Companion
Provides helper methods for SubjectBasedOption contract.
Functions
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operator fun <T, R, PO : SubjectBasedOption.DefinedOption<T, R, *>> invoke(expect: Expect<T>, subStep: PO.() -> Pair<() -> R, (T) -> R>, definedOptionFactory: () -> PO): R
Setups the SubjectBasedOption contract where the given expect, it's AssertionContainer.maybeSubject respectively, is used to determine if the resulting ifAbsent or ifDefined option is called where the definedOptionFactory initialises the builder (pattern) and the subStep then allows to define the ifDefined and ifAbsent steps.