arrow-fx / arrow.fx / Ref / invoke
operator fun <F, A> invoke(MD: MonadDefer<F>, a: A): Kind<F, Ref<F, A>>
operator fun <F, A> invoke(MD:
MonadDefer
<F>, a: A): Kind<F,
Ref
<F, A>>
Creates an asynchronous, concurrent mutable reference initialized using the supplied function.
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