> So instead we need to use the ugly for-loop manual collection > let res = vec![]; > for x in &iterator { > res.push(x.foo()?); > } I'm obviously not a r

> So instead we need to use the ugly for-loop manual collection > let res = vec![]; > for x in &iterator { > res.push(x.foo()?); > } I'm obviously not a rust programmer because I think that's much less ugly :-)