rfc:switch_expression

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rfc:switch_expression [2020/03/28 01:42] – List Michał as an author ilijatovilorfc:switch_expression [2020/03/28 15:25] – Delete extra opening parenthesis guilliamxavier
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 ====== PHP RFC: Switch expression ====== ====== PHP RFC: Switch expression ======
   * Date: 2020-03-28   * Date: 2020-03-28
-  * Author: Ilija Tovilo, ilija.tovilo@me.com+  * Author: Ilija Tovilo, tovilo.ilija@gmail.com
   * Author: Michał Brzuchalski, brzuchal@php.net   * Author: Michał Brzuchalski, brzuchal@php.net
-  * Status: Draft+  * Status: Under Discussion
   * Target Version: PHP 8.0   * Target Version: PHP 8.0
   * Implementation: https://github.com/php/php-src/pull/5308   * Implementation: https://github.com/php/php-src/pull/5308
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 </code> </code>
  
-The fallthrough behavior can't reasonably be changed in the ''switch'' statement because it would break a lot of code. However this RFC porposes allowing multiple conditions per ''case'' so that the intention of running the same code can be expressed more clearly. The ''switch'' expression resolves this issue exactly as described above. There is an implicit ''break'' added after each ''case''. Like with the statement multiple ''case'' conditions can be separated by a '',''.+The fallthrough behavior can't reasonably be changed in the ''switch'' statement because it would break a lot of code. However this RFC porposes allowing multiple conditions per ''case'' so that the intention of running the same code can be expressed more clearly. The ''switch'' expression resolves this issue exactly as described above. There is an implicit ''break'' added after each ''case''. Like with the statement multiple ''case'' conditions can be separated by a comma.
  
 ==== Inexhaustiveness ==== ==== Inexhaustiveness ====
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 <code php> <code php>
-$x = switch ($y) {}+$x = switch ($y) {};
 // instead of // instead of
-$x = $y switch {}+$x = $y switch {};
 </code> </code>
  
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 ===== "Why don't you just use x" ===== ===== "Why don't you just use x" =====
-The have been some comments on how you can already achieve the same result.+There have been some comments on how you can already achieve the same result.
  
 ==== if statements ==== ==== if statements ====
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 $y = $x === 1 ? ... $y = $x === 1 ? ...
   : ($x === 2 ? ...   : ($x === 2 ? ...
-  : (($x === 3 ? ...+  : ($x === 3 ? ...
   : 0));   : 0));
 </code> </code>
rfc/switch_expression.txt · Last modified: 2020/04/12 00:04 by ilijatovilo

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