1/ to be specific: let bindings are already protected from casual reassignment; "let x = 1; let x = 2" is an error.
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@wycats Take `const x = 1; ... { let x = 2; ... x = 3; }` then you make this refactor `const x = 1; ... { ... x = 3; }`. Minor safety.Thanks. Twitter will use this to make your timeline better. UndoUndo
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