hphp/test/quick/fc_enum_1.php

   1 <?hh
   2
   3 enum Foo : int as int {
   4   FOO = 1;
   5   BAR = 2;
   6   BAZ = 3;
   7 }
   8
   9 type Nus = int;
  10 enum Bar : Nus {
  11   FOO = 1;
  12   BAR = 2;
  13   BAZ = 3;
  14 }
  15
  16 enum Baz : mixed {
  17   FOO = 1;
  18   BAR = "welp";
  19 }
  20
  21
  22 function test(): @Foo {
  23   return Foo::FOO;
  24 }
  25
  26 function test2(@int $x): void {
  27   var_dump($x);
  28 }
  29
  30 function lurr(): void {
  31   test2(Foo::BAR);
  32 }
  33
  34 function do_case(@Bar $x): int {
  35   switch ($x) {
  36     case Bar::FOO:
  37       return 0;
  38     case Bar::BAR:
  39       return 1;
  40     case Bar::BAZ:
  41       return 2;
  42   }
  43   return -1;
  44 }
  45
  46 function welp(@Baz $x): void {
  47   var_dump($x);
  48 }
  49
  50 var_dump(test());
  51 lurr();
  52 var_dump(do_case(Bar::BAR));
  53 // This is bogus and should produce warning
  54 var_dump(do_case("welp"));
  55 welp(Baz::FOO);
  56 welp(Baz::BAR);
  57 // This is bogus but will work fine
  58 welp(20);
  59 // This is bogus and should produce warning
  60 welp(20.0);
  61
  62 //