rfc:match_expression
Differences
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rfc:match_expression [2020/04/24 20:19] – Remove unused sentence ilijatovilo | rfc:match_expression [2020/04/25 09:55] – Describe gotcha in (true) ilijatovilo | ||
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</ | </ | ||
- | For the time being the following code will result | + | For the time being using blocks in match expressions that use the return value in any way results |
<code php> | <code php> | ||
Line 218: | Line 218: | ||
0 => {}, | 0 => {}, | ||
}; | }; | ||
+ | //> Match that is not used as a statement can't contain blocks | ||
- | //> Match that not used as a statement can't contain blocks | + | foo(match ($x) { |
+ | 0 => {}, | ||
+ | }); | ||
+ | //> Match that is not used as a statement can't contain blocks | ||
+ | |||
+ | 1 + match ($x) { | ||
+ | 0 => {}, | ||
+ | }; | ||
+ | //> Match that is not used as a statement can't contain blocks | ||
+ | |||
+ | //etc. | ||
+ | |||
+ | // Only allowed form | ||
+ | match ($x) { | ||
+ | 0 => {}, | ||
+ | } | ||
</ | </ | ||
Line 245: | Line 261: | ||
</ | </ | ||
- | This introduces an ambiguity with the '' | + | This introduces an ambiguity with the '' |
<code php> | <code php> | ||
Line 261: | Line 277: | ||
</ | </ | ||
- | When '' | + | A '' |
<code php> | <code php> | ||
Line 307: | Line 323: | ||
</ | </ | ||
- | The keyword '' | + | The keyword '' |
+ | |||
+ | <code php> | ||
+ | match { | ||
+ | preg_match(...) => {}, // preg_match returns 1 which is NOT identical (===) to true | ||
+ | } | ||
+ | </ | ||
+ | |||
+ | Because I have no strong opinion on this it will be moved to a secondary vote. | ||
===== Miscellaneous ===== | ===== Miscellaneous ===== | ||
Line 528: | Line 552: | ||
==== If you voted no, why? ==== | ==== If you voted no, why? ==== | ||
- | | + | |
- | | + | |
- | | + | |
- | | + | |
- | | + | |
- | | + | |
- | | + | |
+ | - Other | ||
<doodle title=" | <doodle title=" | ||
Line 544: | Line 569: | ||
* 6 | * 6 | ||
* 7 | * 7 | ||
+ | * 8 | ||
</ | </ | ||
rfc/match_expression.txt · Last modified: 2020/05/09 15:59 by ilijatovilo