Proposal: Static Typing

[guest271314]

Similar concepts is not being able to re-declare a variable in any scope,
or a "Scope Controller"

- Why does .then() chained to Promise.resolve() allow const declaration to
be reassigned?
<https://stackoverflow.com/questions/45380637/why-does-then-chained-to-promise-resolve-allow-const-declaration-to-be-reas>

-
https://stackoverflow.com/questions/54776759/how-to-avoid-accidentally-implicitly-referring-to-properties-on-the-global-objec
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