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

import "dart:math" as math;

class Trace extends core::Object {
  field core::List<self::Frame*>* frames = <self::Frame*>[];
  synthetic constructor •() → self::Trace*
    : super core::Object::•()
    ;
}
class Frame extends core::Object {
  field core::String* location = "";
  synthetic constructor •() → self::Frame*
    : super core::Object::•()
    ;
}
static method main() → dynamic {
  core::List<self::Trace*>* traces = <self::Trace*>[];
  core::int* longest = traces.{core::Iterable::map}<core::int*>((self::Trace* trace) → core::int* {
    return trace.{self::Trace::frames}.{core::Iterable::map}<core::int*>((self::Frame* frame) → core::int* => frame.{self::Frame::location}.{core::String::length}).{core::Iterable::fold}<core::int*>(0, #C1<core::int*>);
  }).{core::Iterable::fold}<core::int*>(0, #C1<core::int*>);
}

constants  {
  #C1 = tearoff math::max
}