| library test; | |
| import self as self; | |
| import "dart:core" as core; | |
| static method foo(dynamic obj) → core::String* | |
| return obj is core::String* ?{core::String*} obj{core::String*}.{core::String::toUpperCase}(){() →* core::String*} : null; | |
| static method main() → dynamic {} |