Save the current cached lazy value, if any, evaluate the specified function and then restore the previous value to the cache.
Save the current cached lazy value, if any, evaluate the specified function and then restore the previous value to the cache. The effect of this function is to essentially perform a reset of this lazy value to being unevaluated prior to function evaluation.
the delegate which provides processing by the underlying framework
Return the value, evaluating the default expression if necessary.
Reset the lazy value so that it will be recalculated from the default expression on the next retrieval.
A thread-local lazy value that provides a means to evaluate a function in a lazily-evaluated scope.