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What I was doing was:

sub adding ($$) { my $first=shift; my $second=shift; my $third=($first + $second); print("$first + $second = $third\n"); } sub adding ($$$) { my $first=shift; my $second=shift; my $third=shift; print("$first + $second = $third\n"); } 1;
#!/usr/bin/perl use strict; require ""; my $one = 1; my $two = 2; my $answer = ( $one + $two); adding($one,$two);

rewriting to
#!/usr/bin/perl use strict; require ""; my $one = 1; my $two = 2; my $answer = ( $one + $two); adding($one,$two,$answer);

But I didn't test it myself during the rewrite and removing the ($$) version. I just tried to recreate it and got the errors and unpredictable behavior. Thanks for the pointer, Next time I'll just rewrite with an optional 3rd option in the original function and solve my rewrites that way.

Seems I have a lot to refresh after 3 years of not coding.

In reply to Re^6: Use reference for functions in functions by T_I
in thread Use reference for functions in functions by Anonymous Monk

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