Oh dear. I meant to write "just ahead of time" (I corrected the post above). This is the Julia community's take on "just in time", but taking into account that

Oh dear. I meant to write "just ahead of time" (I corrected the post above). This is the Julia community's take on "just in time", but taking into account that there isn't an interpreted fallback. Exactly when a new type specialization is used, it is compiled then and there.