Let's say, I have a complex variable (don't pay attention to var's data inconsistency. I only gave an example of a complex var to make a point of my question): 
my %complex = (
  key_of_hash=>{
    opt1=>val1,
    opt2=>val2
  },
  key_of_arr=>[
    38,'abc',-1829,
    ['element0',8979,'something else']
  ]
);

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I pass some portion of the variable as a reference somewhere: 
my $complexSubVarRef = $complex{'key_of_arr'}[3];

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Is there a perl's built-in way to get a reference of the parent, containing subarray, whose reference is saved in $complexSubVarRef?
Or the only ways to do it is iteratively search an entire complex variable or indexing it and searching the index?

In reply to Getting a parent of a sub (array|hash) in a complex variable by igoryonya

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