1 error[E0308]: mismatched types
2 --> $DIR/issue-41742.rs:34:7
4 LL | H["?"].f(); //~ ERROR mismatched types
5 | ^^^ expected u32, found reference
7 = note: expected type `u32`
8 found type `&'static str`
10 error: aborting due to previous error
12 For more information about this error, try `rustc --explain E0308`.