src/test/ui/issues/issue-24446.stderr

   1 error[E0277]: the size for values of type `(dyn Fn() -> u32 + 'static)` cannot be known at compilation time
   2   --> $DIR/issue-24446.rs:2:17
   3    |
   4 LL |     static foo: dyn Fn() -> u32 = || -> u32 {
   5    |                 ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
   6    |
   7    = help: the trait `Sized` is not implemented for `(dyn Fn() -> u32 + 'static)`
   8
   9 error[E0277]: `(dyn Fn() -> u32 + 'static)` cannot be shared between threads safely
  10   --> $DIR/issue-24446.rs:2:17
  11    |
  12 LL |     static foo: dyn Fn() -> u32 = || -> u32 {
  13    |                 ^^^^^^^^^^^^^^^ `(dyn Fn() -> u32 + 'static)` cannot be shared between threads safely
  14    |
  15    = help: the trait `Sync` is not implemented for `(dyn Fn() -> u32 + 'static)`
  16    = note: shared static variables must have a type that implements `Sync`
  17
  18 error: aborting due to 2 previous errors
  19
  20 For more information about this error, try `rustc --explain E0277`.