If I understand your question correctly (something like C's inline, but for perl) then I'm afraid the answer is no, you can't inline functions/methods. This is largely due to the complex nature of perl and more directly its dynamic nature and handling of subroutines. Limbic~Region asked this question back in May at Inline subs? and I came up with a filter solution, but as noted in a reply, there are many, many issues with this. Although if I haven't understood your question then you can disregard the above ;)
HTH

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broquaint