library test;
import self as self;
import "dart:core" as core;

class Index extends core::Object {
  synthetic constructor •() → void
    : super core::Object::•()
    ;
}
class A extends core::Object {
  synthetic constructor •() → void
    : super core::Object::•()
    ;
}
class B extends self::A {
  synthetic constructor •() → void
    : super self::A::•()
    ;
  operator +(self::C v) → self::A
    return null;
  operator -(core::int i) → self::B
    return null;
  operator *(self::B v) → self::B
    return null;
  operator &(self::A v) → self::C
    return null;
}
class C extends self::B {
  synthetic constructor •() → void
    : super self::B::•()
    ;
}
class Test extends core::Object {
  synthetic constructor •() → void
    : super core::Object::•()
    ;
  operator [](self::Index i) → self::B
    return null;
  operator []=(self::Index i, self::B v) → void {}
  method test() → void {
    this.[]=(self::f<dynamic>(), self::f<dynamic>());
    let final dynamic #t1 = self::f<dynamic>() in this.[](#t1).==(null) ? let final dynamic #t2 = self::f<dynamic>() in let final dynamic #t3 = this.[]=(#t1, #t2) in #t2 : null;
    let final dynamic #t4 = self::f<dynamic>() in this.[]=(#t4, this.[](#t4).+(self::f<dynamic>()));
    let final dynamic #t5 = self::f<dynamic>() in this.[]=(#t5, this.[](#t5).*(self::f<dynamic>()));
    let final dynamic #t6 = self::f<dynamic>() in this.[]=(#t6, this.[](#t6).&(self::f<dynamic>()));
    let final dynamic #t7 = self::f<dynamic>() in let final dynamic #t8 = this.[](#t7).-(1) in let final dynamic #t9 = this.[]=(#t7, #t8) in #t8;
    let final dynamic #t10 = self::f<dynamic>() in this.[]=(#t10, this.[](#t10).-(1));
    dynamic v1 = let final dynamic #t11 = self::f<dynamic>() in let final dynamic #t12 = self::f<dynamic>() in let final dynamic #t13 = this.[]=(#t11, #t12) in #t12;
    dynamic v2 = let final dynamic #t14 = self::f<dynamic>() in let final dynamic #t15 = this.[](#t14) in #t15.==(null) ? let final dynamic #t16 = self::f<dynamic>() in let final dynamic #t17 = this.[]=(#t14, #t16) in #t16 : #t15;
    dynamic v4 = let final dynamic #t18 = self::f<dynamic>() in let final dynamic #t19 = this.[](#t18).*(self::f<dynamic>()) in let final dynamic #t20 = this.[]=(#t18, #t19) in #t19;
    dynamic v5 = let final dynamic #t21 = self::f<dynamic>() in let final dynamic #t22 = this.[](#t21).&(self::f<dynamic>()) in let final dynamic #t23 = this.[]=(#t21, #t22) in #t22;
    dynamic v6 = let final dynamic #t24 = self::f<dynamic>() in let final dynamic #t25 = this.[](#t24).-(1) in let final dynamic #t26 = this.[]=(#t24, #t25) in #t25;
    dynamic v7 = let final dynamic #t27 = self::f<dynamic>() in let final dynamic #t28 = this.[](#t27) in let final dynamic #t29 = this.[]=(#t27, #t28.-(1)) in #t28;
  }
}
static method f<T extends core::Object = dynamic>() → self::f::T
  return null;
static method main() → dynamic {}