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

static method f(dynamic x) → void {
  #L1:
  {
    final synthesized dynamic #0#0 = x;
    {
      if((let final dynamic #t1 = #0#0 as core::int in #C1 =={core::num::==}{(core::Object) → core::bool} #0#0 as core::int) && true) {
        {
          break #L1;
        }
      }
    }
  }
}

constants  {
  #C1 = 0
}