rfc:comprehensions

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rfc:comprehensions [2019/03/11 11:45]
nikic
rfc:comprehensions [2019/03/11 11:53]
nikic fix typos in code
Line 212: Line 212:
  
 $result = array_map(function ($x) { $result = array_map(function ($x) {
-  $x * 2;+  return $x * 2;
 }, $list); }, $list);
  
Line 251: Line 251:
 // but I include it for completeness. // but I include it for completeness.
 $result = array_map(function($x) { $result = array_map(function($x) {
-  $x * 2+  return $x * 2;
 }, array_filter(function() { }, array_filter(function() {
-  return $x % 2+  return $x % 2;
 }, $list)); }, $list));
  
 $result = (function() use ($list) { $result = (function() use ($list) {
   foreach ($list as $x) {   foreach ($list as $x) {
-    If ($x % 2) {+    if ($x % 2) {
       yield $x * 2;       yield $x * 2;
     }     }
Line 350: Line 350:
 <code php> <code php>
 $result = array_map(function($x) { $result = array_map(function($x) {
-  $x * 2+  return $x * 2;
 }, array_filter(function() { }, array_filter(function() {
-  return $x % 2+  return $x % 2;
 }, $list)); }, $list));
  
Line 371: Line 371:
  
 <code php> <code php>
-$result = (fn() => foreach($list as $x) if ($x % 2) yield $x * 2;)();+$result = (fn() => foreach($list as $x) if ($x % 2) yield $x * 2)();
 </code> </code>
  
rfc/comprehensions.txt · Last modified: 2019/04/05 01:10 by crell