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lazy_static
relies on macroes and is limited in scope.once_cell
is much more versatile, and will soon be included in std.OnceCell
is already included inside std and soonLazy
will be included as wellrust-lang/rust#74465
I took a look over the current lazy static initialization of variables and changed
lazy_static
intoonce_cell
and changed some small variables to be just static instead of lazily static.