avail/avail.utility.evaluation/OnceSupplier

OnceSupplier

class OnceSupplier<T : Any>(innerSupplier: () -> T) : Function0<T>

Converts any supplier into one that caches its value upon first evaluation, returning the same value thereafter. The supplier must not produce null.

Parameters

The type of value being supplied. Must not be nullable.

innerSupplier

The supplier to be evaluated at most once.

Constructors

OnceSupplier

constructor(innerSupplier: () -> T)

Create a OnceSupplier from the given supplier.

Functions

invoke

open operator override fun invoke(): T