compiler/rustc_error_codes/src/error_codes/E0768.md

   1 A number in a non-decimal base has no digits.
   2
   3 Erroneous code example:
   4
   5 ```compile_fail,E0768
   6 let s: i32 = 0b; // error!
   7 ```
   8
   9 To fix this error, add the missing digits:
  10
  11 ```
  12 let s: i32 = 0b1; // ok!
  13 ```