[Vala] for loop and closure (bug or big gotcha?)

Given this:

for (int i=0; i < 10; i++) {
    button[i].clicked.connect ((s) => {stdout.printf ("%d\n", i);});

all the buttons, when clicked, outputs 10.
i.e., the variable i is treated as non-local and shared
by all those closures.

Is this the correct semantic?

If this is up for debate I would say that this is
a wrong semantic. Different iteration of the for loop
should use "different" i.

Nor Jaidi Tuah

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