Hi!
The following code snippet is well formed and prints 6:
fn main() {
let x = 5;
let x = 6;
println(fmt!("%?",x));
}
I was told this behavior is intentional. However I consider this pattern as
a potential source of errors.
Consider a larger function which one wants to modify. One declares a new
variable in the middle of the function, and if there was a name collosion
the whole meaning of the function is changed and the compiler does not even
provide us with a warning about it.
I'm curious what was the reason of allowing multiple variables with the
same name in the same scope?
Thanks,
Gábor Horváth
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