Interesting post from Brent Simmons here about use of let vs var by default.

I generally disagree, and I think most structs should have var properties by default, but there is some nuance to the decision about which to use: (thread)


I do agree with Nick here.
In *general* I endup using var for struct because it gives me the convenience without the drawbacks. Even when my brain tells me to start with `let` I quickly endup changing it.
But read the thread, the nuances are important ;)

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