error[E0308]: mismatched types --> $DIR/issue-69310-array-size-lit-wrong-ty.rs:10:15 | LL | const A: [(); 0.1] = [()]; | ^^^ expected `usize`, found floating-point number error[E0308]: mismatched types --> $DIR/issue-69310-array-size-lit-wrong-ty.rs:11:15 | LL | const B: [(); b"a"] = [()]; | ^^^^ expected `usize`, found `&[u8; 1]` error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0308`.