Sorry. I should have demonstrated that also. 

use Internals qw[SetReadOnly];;
@a = 1 .. 3;;
SetReadOnly \@a;;
print @a;;
1 2 3

$a[ 2] = 'changed';;
print @a;;
1 2 changed

push @a, 'added';;
Modification of a read-only value attempted at

SetReadOnly \$a[1];;
 $a[1] = 'changed';;
Modification of a read-only value attempted at

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Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
Lingua non convalesco, consenesco et abolesco. -- Rule 1 has a caveat! -- Who broke the cabal?
"Science is about questioning the status quo. Questioning authority".
The "good enough" maybe good enough for the now, and perfection maybe unobtainable, but that should not preclude us from striving for perfection, when time, circumstance or desire allow.

In reply to Re^3: Is there a way to lock arrays? by BrowserUk
in thread Is there a way to lock arrays? by tphyahoo

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