On 8/19/13 12:54 PM, bearophile wrote:
Meta:
It *could* be an underscore; the only thing is that the underscore is
a valid variable name, so the above expression would actually be
binding two variables, which might surprise someone who was expecting
otherwise. I don't really care all that much, but it's something to
think about.
You can't define a variable more than once in a scope, so this can't be
valid:
void main() {
auto t1 = #(5, "hello", 1.5);
auto (_, _, x) = t1;
auto (_, gr, _) = t1;
}
While ? defines nothing, so this is OK:
void main() {
auto t1 = #(5, "hello", 1.5);
auto (?, ?, x) = t1;
auto (?, gr, ?) = t1;
}
Bye,
bearophile
It's stuff like this that's just useless and gives a bad direction to
the whole discussion. There's hardly anything wrong with auto x = t1[2]
or auto gr = t1[1], but once the bikeshed is up for painting, the
rainbow won't suffice.
Andrei
