hphp/test/slow/collection_classes/skipwhile-takewhile.php

   1 <?hh
   2
   3 function main(): void {
   4   $m = Map {
   5     0 => 'one',
   6     1 => 'two',
   7     2 => 'three',
   8     3 => 'four',
   9     4 => 'five',
  10   };
  11
  12   echo "skipWhile false\n";
  13   $m2 = $m->skipWhile(function ($v) {
  14     var_dump($v);
  15     return false;
  16   });
  17   var_dump($m2);
  18
  19   echo "\n";
  20
  21   echo "skipWhile true\n";
  22   $m2 = $m->skipWhile(function ($v) {
  23     var_dump($v);
  24     return true;
  25   });
  26   var_dump($m2);
  27
  28   echo "\n";
  29
  30   echo "takeWhile false\n";
  31   $m2 = $m->takeWhile(function($v) {
  32     var_dump($v);
  33     return false;
  34   });
  35   var_dump($m2);
  36
  37   echo "\n";
  38
  39   echo "takeWhile true\n";
  40   $m2 = $m->takeWhile(function($v) {
  41     var_dump($v);
  42     return true;
  43   });
  44   var_dump($m2);
  45 }
  46
  47 main();