I found myself using a lazy val to memoize the result of a computation. The computation, however, depended on external state. What I really wanted to do was (lazily) cache the computation and later invalidate it on external state changes. I also wanted to use it as seamlessly as I would use a lazy val. Enter LazyCache:

It can be used as follows:

  • Davi Santos

    Exactly what I need. There should be a “lazy var” in Scala.

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