So my question is, is there any difference in using return statement if there is nothing to return from a subroutine?

Try it and see what happens, Basic debugging checklist , Data::Dump::dd()

using return ensures return gets to do what it does, not using return leaves it up to implicit return

In reply to Re: Return statement in subroutine(s) is necessary when not returning anything? by Anonymous Monk
in thread [SOLVED] Return statement in subroutine(s) is necessary when not returning anything? by thanos1983

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