If I make up a subroutine name, say
$type = 'Circle';
$fn = 'My'.$type.'Renderer';
How do I test if the subroutine named in $fn is defined?
If I make up a subroutine name, say $type = ‘Circle’; $fn = ‘My’.$type.’Renderer’;
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If I make up a subroutine name, say
$type = 'Circle';
$fn = 'My'.$type.'Renderer';
How do I test if the subroutine named in $fn is defined?
PACKAGE->can($fn), with PACKAGE beingmainfor default.defined &{$fn}canalso will return you CODE reference to this function if it exists.