Re^3: Shortcutting grep in boolean context

To avoid a temporary variable:

if( sub{ $_ == $wanted and return 1 for @ary; 0 }->() ) { say "match" 
+}
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Comment on Re^3: Shortcutting grep in boolean context Download Code

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Re^4: Shortcutting grep in boolean context by perlancar (Hermit) on Jan 04, 2017 at 01:07 UTC
The sub version has a higher overhead than the do version, but the speed won't matter unless we do hundreds of thousands of calls per second or more.	[reply]