Re^3: Hash (not) returned by subroutine

[karlgoethebier]

"...certain situations...return...optimized out"

Doesn’t such a method make the behavior of a programming language unpredictable? Regards, Karl

[afoken]

Doesn’t such a method make the behavior of a programming language unpredictable?

Not if perl is sure that the situation allows optimizing out.

I would blindly assume that all returns could be optimized out in this script:

sub foo
{
    # do something
    return;
}

sub bar
{
    # do something
    return 'a scalar';
}

sub baz
{
    # do something
    return qw( a list );
}

foo();
bar();
baz();
exit();

Alexander