|  | library; | 
|  | // | 
|  | // Problems in library: | 
|  | // | 
|  | // pkg/front_end/testcases/wildcard_variables/initializing_formals.dart:32:16: Error: Undefined name '_'. | 
|  | //         assert(_ >= 0) // Error: no `_` in scope. | 
|  | //                ^ | 
|  | // | 
|  | import self as self; | 
|  | import "dart:core" as core; | 
|  |  | 
|  | class A extends core::Object { | 
|  | final field core::int _; | 
|  | constructor •(wildcard core::int _#wc0#formal) → self::A | 
|  | ; | 
|  | } | 
|  | class InitializerListError extends core::Object { | 
|  | final field core::int _; | 
|  | final field core::int x; | 
|  | constructor •(wildcard core::int _#wc1#formal) → self::InitializerListError | 
|  | ; | 
|  | } | 
|  | class MultipleThisError extends core::Object { | 
|  | final field core::int _; | 
|  | constructor •(wildcard core::int _#wc2#formal, wildcard core::int _#wc3#formal) → self::MultipleThisError | 
|  | ; | 
|  | } | 
|  | class B extends core::Object { | 
|  | final field core::int _; | 
|  | final field core::int v; | 
|  | final field core::int w; | 
|  | constructor •(wildcard core::int _#wc4#formal, core::int v, core::int w) → self::B | 
|  | ; | 
|  | } | 
|  | class C extends self::B { | 
|  | final field core::int z; | 
|  | constructor •(core::int x, wildcard core::int _#wc5#formal, wildcard core::int _#wc6#formal, core::int z) → self::C | 
|  | : self::C::z = z | 
|  | ; | 
|  | } | 
|  | static method main() → dynamic | 
|  | ; |