1 error[E0277]: the size for values of type `[i32]` cannot be known at compilation time
2 --> $DIR/issue-30276.rs:4:29
4 LL | let _x: fn(_) -> Test = Test;
5 | ^^^^ doesn't have a size known at compile-time
7 = help: the trait `Sized` is not implemented for `[i32]`
8 = note: all function arguments must have a statically known size
9 = help: unsized fn params are gated as an unstable feature
11 error: aborting due to previous error
13 For more information about this error, try `rustc --explain E0277`.