src/test/ui/block-result/issue-20862.stderr

   1 error[E0308]: mismatched types
   2   --> $DIR/issue-20862.rs:2:5
   3    |
   4 LL | fn foo(x: i32) {
   5    |                - possibly return type missing here?
   6 LL |     |y| x + y
   7    |     ^^^^^^^^^ expected `()`, found closure
   8    |
   9    = note: expected unit type `()`
  10                 found closure `[closure@$DIR/issue-20862.rs:2:5: 2:14 x:_]`
  11
  12 error[E0618]: expected function, found `()`
  13   --> $DIR/issue-20862.rs:7:13
  14    |
  15 LL | / fn foo(x: i32) {
  16 LL | |     |y| x + y
  17 LL | |
  18 LL | | }
  19    | |_- `foo` defined here returns `()`
  20 ...
  21 LL |       let x = foo(5)(2);
  22    |               ^^^^^^---
  23    |               |
  24    |               call expression requires function
  25
  26 error: aborting due to 2 previous errors
  27
  28 Some errors have detailed explanations: E0308, E0618.
  29 For more information about an error, try `rustc --explain E0308`.