error[E0412]: cannot find type `OsStr` in this scope --> $DIR/issue-84108.rs:6:24 | LL | static FOO: (dyn AsRef, u8) = ("hello", 42); | ^^^^^ not found in this scope | help: consider importing this struct | LL + use std::ffi::OsStr; | error[E0412]: cannot find type `Path` in this scope --> $DIR/issue-84108.rs:9:14 | LL | const BAR: (&Path, [u8], usize) = ("hello", [], 42); | ^^^^ not found in this scope | help: consider importing this struct | LL + use std::path::Path; | error[E0277]: the size for values of type `[u8]` cannot be known at compilation time --> $DIR/issue-84108.rs:12:13 | LL | static BAZ: ([u8], usize) = ([], 0); | ^^^^^^^^^^^^^ doesn't have a size known at compile-time | = help: the trait `Sized` is not implemented for `[u8]` = note: only the last element of a tuple may have a dynamically sized type error[E0308]: mismatched types --> $DIR/issue-84108.rs:12:30 | LL | static BAZ: ([u8], usize) = ([], 0); | ^^ expected `[u8]`, found `[_; 0]` | = note: expected slice `[u8]` found array `[_; 0]` error: aborting due to 4 previous errors Some errors have detailed explanations: E0277, E0308, E0412. For more information about an error, try `rustc --explain E0277`.