SingletonHolder

open class SingletonHolder<R : Any, in T>(creator: (T) -> R) : InstanceHolder<R>

Create lazy singleton.

Example:

class PrefsHelper private constructor(context: Context) {
  ...
  companion object : SingletonHolder<PrefsHelper, Context>(::PrefsHelper)
}

1.4.0

Constructors

constructor(creator: (T) -> R)

@Volatile

protected inline fun getInstance(creator: () -> R): R

operator fun invoke(arg: T): R