compiler/rustc_error_codes/src/error_codes/E0768.md


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A number in a non-decimal base has no digits.

Erroneous code example:

```compile_fail,E0768
let s: i32 = 0b; // error!
```

To fix this error, add the missing digits:

```
let s: i32 = 0b1; // ok!
```