src/test/ui/span/issue-42234-unknown-receiver-type.rs

   1 // revisions: full generic_arg
   2 #![cfg_attr(generic_arg, feature(generic_arg_infer))]
   3
   4 // When the type of a method call's receiver is unknown, the span should point
   5 // to the receiver (and not the entire call, as was previously the case before
   6 // the fix of which this tests).
   7
   8 fn shines_a_beacon_through_the_darkness() {
   9     let x: Option<_> = None; //~ ERROR type annotations needed
  10     x.unwrap().method_that_could_exist_on_some_type();
  11 }
  12
  13 fn courier_to_des_moines_and_points_west(data: &[u32]) -> String {
  14     data.iter()
  15         .sum::<_>() //~ ERROR type annotations needed
  16         .to_string()
  17 }
  18
  19 fn main() {}