name space and invoking code with eval

[okey]

I can run a function this way (in the main package namespace):

  &main::aMainFunctionName(@param);

How do I run it with a namespace var?

$space = 'main';

eval \&${space}::aMainFunctionName(\@);


Then, when and if that is possible, can I pass namespace to another
package and use functions from caller?  As in

AnotherPackage::function(*{aMainFunctionName}{PACKAGE});

Then in the other package

function {
  my $hisPackage = shift;  # this is the package name



Thanks.


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