Programming-Idioms

Idiom

# 311 Deep copy an object

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Create the new object y by cloning the all the contents of x, recursively.

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Other implementations

let y = structuredClone(x);

classes

var
  x,y: TPersistent;
...
  y.assign(x);
...

use v5.7.3;
use Storable qw(dclone);

my $x = [ 1, 2, [ 'a' ], { x => [3,4] } ];

my $y = dclone $x;

import copy

y = copy.deepcopy(x)

y = Marshal.load(Marshal.dump(x))