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@wolframkriesing
Created October 25, 2019 09:01
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using braces to limit scopes
const findUser () => {
{
const userOrError = findUserInCache();
if (userOrError instanceof Error) return userOrError;
if (userOrError instanceof User) return userOrError;
}
{
const userOrError = findUserInDb(); // reusing `userOrError` inside the same fn
if (userOrError instanceof Error) return userOrError;
if (userOrError instanceof User) return userOrError;
}
return new NoUser();
}
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