Tie::Array::RestrictUpdates Tie::Array::RestrictUpdates can limit the number of times you change elements in an array.
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Tie::Array::RestrictUpdates Tags

Perl module Array change elements restrict updates tie restrictions

Tie::Array::RestrictUpdates Description

Tie::Array::RestrictUpdates can limit the number of times you change elements in an array. Tie::Array::RestrictUpdates can limit the number of times you change elements in an array.SYNOPSIS use Tie::Array::RestrictUpdates; tie @foo,"Tie::Array::RestrictUpdates",1; # Default limit is 1. # Every element from the array can only be changed once @foo = qw(A B C D E); for(0..4) { $foo = lc $foo; } print join("-",@foo); # This will print A-B-C-D-E and a bunch of warnings -or- use Tie::Array::RestrictUpdates; tie @foo,"Tie::Array::RestrictUpdates",; # This forces the limits of the first 3 indexes # This also forces any extra elements from the array to have a 0 limit # and therefor be unchangable/unsettable @foo = qw(A B C D E); for(0..3) { $foo = lc $foo; } for(0..3) { $foo = uc $foo; } for(0..3) { $foo = lc $foo; } for(0..3) { $foo = uc $foo; } print join("-",@foo); # This will print A-b-C-d and a bunch of warningsRequirements:· Perl

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