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

static method main() → dynamic {
  core::print("" as core::String*);
  core::print(1 as core::int*);
  core::print(1.0 as core::double*);
  core::print("" is core::String*);
  core::print("" is core::int*);
  core::print("" is core::double*);
  core::print(1 is core::String*);
  core::print(1 is core::int*);
  core::print(1 is core::double*);
  core::print(1.0 is core::String*);
  core::print(1.0 is core::int*);
  core::print(1.0 is core::double*);
}