Given a simple subroutine:

sub q { print "q" };

What is it that causes the following to output nothing?

eval \&q;

While these others output as expected?

eval \q;
eval \q();
eval \&q();

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I've read about the ampersand and prototyping, but I'm not understanding this.

In reply to eval'ing coderef with ampersand by hbm

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