Joined January 2012
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Posted to
Constants in Perl
over 1 year
ago
# interpolation...
use constant NAME => "Toby Inkster";
say "My name is ${\ NAME }";Achievements
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Constants created with the constant pragma don't result in function calls. They're optimized away by the compiler. (This includes constants interpolated in strings like ${\FOO}.) The only ways to force Perl not to optimize a constant away are to call it with a leading ampersand, or to call it as a method.