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

static method f(core::List<dynamic>* x) → core::bool* {
  return x.{core::Iterable::expand}<dynamic>((dynamic y) → core::Iterable<dynamic>* {
    return y{dynamic}.split(",") as{TypeError,ForDynamic} core::Iterable<dynamic>*;
  }){((dynamic) →* core::Iterable<dynamic>*) →* core::Iterable<dynamic>*}.{core::Iterable::any}((dynamic y) → core::bool* => y =={core::Object::==}{(core::Object*) →* core::bool*} "z"){((dynamic) →* core::bool*) →* core::bool*};
}
static method main() → dynamic {}