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Re^2: Best Practice for replace subby tobyink (Canon) |
| on Mar 01, 2013 at 16:56 UTC ( [id://1021299]=note: print w/replies, xml ) | Need Help?? |
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In HTML::HTML5::Entities I've got a hash with 2231 entries. It would be wasteful in the extreme to rebuild that hash every time the encode_entities function is called. Closing over a lexical variable is a perfectly safe thing to do. (As it happens, I use a package variable for HTML::Entities because that's what HTML::Entities does, and the aim is to provide a compatible API.)
package Cow { use Moo; has name => (is => 'lazy', default => sub { 'Mooington' }) } say Cow->new->name
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