Well, if the ABC::new_time_var function is declared with a prototype of (), meaning no arguments, you cannot call it with arguments in your wrapper, like ABC::new_time_var(@_).  Similarly for the other two functions.

See also other threads on using prototypes here, to better understand how prototypes work in Perl (hint: they don't act like in C).

In reply to Re^3: Creating wrapper over a wrapper by almut
in thread Creating wrapper over a wrapper by sunnyagarwal008

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