Precomputing state in a global variable works great with once_cell::sync::Lazy (which, like the rest of once_cell, is on track for stabilization). I use it all

Precomputing state in a global variable works great with once_cell::sync::Lazy (which, like the rest of once_cell, is on track for stabilization). I use it all the time, and I agree that the ability to do that sort of caching is important.