InstanceOrNull

fun <T : Any> DIAware.InstanceOrNull(type: TypeToken<out T>, tag: Any? = null): LazyDelegate<T?>

Gets an instance of T for the given type and tag, or null if none is found.

Return

An instance of T, or null if no provider was found.

Parameters

type

The type of object to retrieve.

tag

The bound tag, if any.

Throws

If the value construction triggered a dependency loop.


fun <A, T : Any> DIAware.InstanceOrNull(argType: TypeToken<in A>, type: TypeToken<out T>, tag: Any? = null, arg: () -> A): LazyDelegate<T?>

Gets an instance of T for the given type and tag, curried from a factory that takes an argument A, or null if none is found.

Return

An instance of T, or null if no factory was found.

Parameters

A

The type of argument the curried factory takes.

T

The type of object to retrieve.

type

The type of object to retrieve.

tag

The bound tag, if any.

arg

A function that returns the argument that will be given to the factory when curried.

Throws

If the value construction triggered a dependency loop.