class codecvt_base;
|  |  | 
| member type | description | 
|---|---|
| result | An enum type used as return type for codecvt::in, codecvt::out and codecvt::unshift. | 
| member constant | type | value | description | 
|---|---|---|---|
| ok | codecvt_base::result | 0 | Conversion successful | 
| partial | codecvt_base::result | 1 | Partial conversion | 
| error | codecvt_base::result | 2 | Conversion error | 
| noconv | codecvt_base::result | 3 | No conversion |