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

static method test1(dynamic x) → dynamic {
  hoisted has-declared-initializer core::int y;
  {
    final synthesized dynamic #0#0 = x as{TypeError,ForDynamic} core::List<core::int>;
    final const synthesized core::int #0#3 = #C1;
    synthesized dynamic #0#6;
    synthesized core::bool #0#6#isSet = false;
    if(!(#0#0 is core::List<dynamic> && #0#0{core::List<dynamic>}.{core::List::length}{core::int} =={core::num::==}{(core::Object) → core::bool} #C1 && ((#0#6#isSet ?{dynamic} #0#6 : let final dynamic #t1 = #0#6#isSet = true in #0#6 = #0#0{core::List<dynamic>}.{core::List::[]}(0){(core::int) → dynamic}) is core::int && (let final dynamic #t2 = y = (#0#6#isSet ?{dynamic} #0#6 : let final dynamic #t3 = #0#6#isSet = true in #0#6 = #0#0{core::List<dynamic>}.{core::List::[]}(0){(core::int) → dynamic}) as{Unchecked} core::int in true))))
      throw{for-error-handling} new core::StateError::•("Pattern matching error");
  }
  return y;
}
static method test2(dynamic x) → dynamic {
  hoisted has-declared-initializer core::String a;
  hoisted has-declared-initializer core::String b;
  {
    final synthesized dynamic #0#0 = x as{TypeError,ForDynamic} core::List<core::String>;
    synthesized core::int #0#2;
    synthesized core::bool #0#2#isSet = false;
    final const synthesized core::int #0#3 = #C2;
    synthesized dynamic #0#6;
    synthesized core::bool #0#6#isSet = false;
    synthesized dynamic #0#7;
    synthesized core::bool #0#7#isSet = false;
    if(!(#0#0 is core::List<dynamic> && (#0#2#isSet ?{core::int} #0#2 : let final dynamic #t4 = #0#2#isSet = true in #0#2 = #0#0{core::List<dynamic>}.{core::List::length}{core::int}).{core::num::>=}(#C2){(core::num) → core::bool} && ((#0#6#isSet ?{dynamic} #0#6 : let final dynamic #t5 = #0#6#isSet = true in #0#6 = #0#0{core::List<dynamic>}.{core::List::[]}(0){(core::int) → dynamic}) is core::String && (let final dynamic #t6 = a = (#0#6#isSet ?{dynamic} #0#6 : let final dynamic #t7 = #0#6#isSet = true in #0#6 = #0#0{core::List<dynamic>}.{core::List::[]}(0){(core::int) → dynamic}) as{Unchecked} core::String in true)) && ((#0#7#isSet ?{dynamic} #0#7 : let final dynamic #t8 = #0#7#isSet = true in #0#7 = #0#0{core::List<dynamic>}.{core::List::[]}((#0#2#isSet ?{core::int} #0#2 : let final dynamic #t9 = #0#2#isSet = true in #0#2 = #0#0{core::List<dynamic>}.{core::List::length}{core::int}).{core::num::-}(1){(core::num) → core::int}){(core::int) → dynamic}) is core::String && (let final dynamic #t10 = b = (#0#7#isSet ?{dynamic} #0#7 : let final dynamic #t11 = #0#7#isSet = true in #0#7 = #0#0{core::List<dynamic>}.{core::List::[]}((#0#2#isSet ?{core::int} #0#2 : let final dynamic #t12 = #0#2#isSet = true in #0#2 = #0#0{core::List<dynamic>}.{core::List::length}{core::int}).{core::num::-}(1){(core::num) → core::int}){(core::int) → dynamic}) as{Unchecked} core::String in true))))
      throw{for-error-handling} new core::StateError::•("Pattern matching error");
  }
  return a.{core::String::+}(b){(core::String) → core::String};
}
static method main() → dynamic {
  self::expectEquals(self::test1(<core::int>[0]), 0);
  self::expectThrows(() → void => self::test1(<dynamic>[]));
  self::expectThrows(() → void => self::test1(<core::int>[0, 1, 2]));
  self::expectEquals(self::test2(<core::String>["one", "two", "three", "four"]), "onefour");
  self::expectThrows(() → void => self::test2(<core::String>["one"]));
  self::expectThrows(() → void => self::test2("one"));
  self::expectThrows(() → void => self::test2(null));
}
static method expectEquals(dynamic x, dynamic y) → dynamic {
  if(!(x =={core::Object::==}{(core::Object) → core::bool} y)) {
    throw "Expected ${x} to be equal to ${y}.";
  }
}
static method expectThrows(() → void f) → dynamic {
  core::bool hasThrown = true;
  try {
    f(){() → void};
    hasThrown = false;
  }
  on core::Object catch(final core::Object e) {
  }
  if(!hasThrown) {
    throw "Expected function to throw.";
  }
}

constants  {
  #C1 = 1
  #C2 = 2
}