rfc:comprehensions
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Both sides previous revisionPrevious revisionNext revision | Previous revisionLast revisionBoth sides next revision | ||
rfc:comprehensions [2019/03/11 04:47] – Revise examples and remove mention of Javascript. crell | rfc:comprehensions [2019/03/11 11:53] – fix typos in code nikic | ||
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Line 31: | Line 31: | ||
</ | </ | ||
- | In both cases, '' | + | In both cases, '' |
===== Proposal ===== | ===== Proposal ===== | ||
Line 212: | Line 212: | ||
$result = array_map(function ($x) { | $result = array_map(function ($x) { | ||
- | $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 | + | |
}, 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) { | ||
- | | + | |
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 | + | |
}, 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)(); |
</ | </ | ||
rfc/comprehensions.txt · Last modified: 2019/04/05 01:10 by crell