winter / io.jentz.winter.aware / providerOrNull

providerOrNull

inline fun <reified R : Any> WinterAware.providerOrNull(qualifier: Any? = null, generics: Boolean = false): Provider<R>?

Retrieve an optional provider function that returns R.

Parameters

qualifier - An optional qualifier of the dependency.

generics - Preserves generic type parameters if set to true (default = false).

Return
The provider that returns R or null if provider doesn't exist.

inline fun <reified A, reified R : Any> WinterAware.providerOrNull(argument: A, qualifier: Any? = null, generics: Boolean = false): Provider<R>?

Retrieve an optional factory of type (A) -> R and create and return a provider that applies the given argument to the factory when called.

Parameters

argument - The argument for the factory to retrieve.

qualifier - An optional qualifier of the dependency.

generics - Preserves generic type parameters if set to true (default = false).

Return
The provider function or null if factory doesn't exist.