1 error: expected expression, found keyword `in`
5 | ^^ expected expression
7 error[E0282]: type annotations needed
10 LL | let (x, y, foo, bar);
11 | ---------------- consider giving the pattern a type
13 | ^^^ cannot infer type
15 = note: type must be known at this point
17 error: aborting due to 2 previous errors
19 For more information about this error, try `rustc --explain E0282`.