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Re^3: Shortcutting grep in boolean context

by tybalt89 (Monsignor)
on Jan 03, 2017 at 22:28 UTC ( [id://1178886]=note: print w/replies, xml ) Need Help??


in reply to Re^2: Shortcutting grep in boolean context
in thread 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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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.
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