error: invalid suffix `Y` for number literal --> $DIR/issue-104769-concat_bytes-invalid-literal.rs:4:19 | LL | concat_bytes!(7Y); | ^^ invalid suffix `Y` | = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.) error: integer literal is too large --> $DIR/issue-104769-concat_bytes-invalid-literal.rs:6:19 | LL | concat_bytes!(888888888888888888888888888888888888888); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: value exceeds limit of `340282366920938463463374607431768211455` error: aborting due to 2 previous errors