No need for string eval: 
    for (qw(STORE CLEAR PUSH POP SHIFT UNSHIFT)) {
        my $s = "SUPER::$_";
        no strict 'refs';
        *$_ = sub { &main::trigger; shift()->$s(@_) };
    }

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Update: fixed error (removed the reference from \@_).

لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re^2: Is tie inteded to be used in this way? by choroba
in thread Is tie inteded to be used in this way? by Discipulus

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