!7

//import javax.validation.constraints.NotNull;

sclass Bla {
  swappable S hello() { ret "yo"; }
  swappable void bla() {}
  swappable void blu(S s) { print(s); }
  persistently swappable void blo(S s) { print(s); }
  //swappable void notNullTest(@NotNull S s) { print(s); }
}

static swappable S staticTest() { null; }
swappable static S staticTest2() { null; }
swappable static S staticTest3(Long a, int b) { null; }
swappable static bool staticTest4() { false; }
swappable static LS staticTest5() { null; }

p-exp {
  new Bla bla;
  
  // normal call
  assertEqualsVerbose("yo", bla.hello());
  
  // override method at runtime (!)
  bla.hello = () -> "Here is random stuff: " + randomID();
  
  // overridden call
  assertStartsWith_rev("Here is random stuff:", print(bla.hello()));
  
  print("OK");
}