Re^3: How can I access object data in a user defined sort cmp function? (OOP)


good chemistry is complicated, and a little bit messy -LW
	PerlMonks

Re^3: How can I access object data in a user defined sort cmp function? (OOP)

by LanX (Saint)

on Jan 28, 2015 at 17:24 UTC ( [id://1114790]=note: print w/replies, xml )

Need Help??

in reply to Re^2: How can I access object data in a user defined sort cmp function?
in thread How can I access object data in a user defined sort cmp function?

> I want more than simply sorting the keys. Based on the keys I have to look up something within the object based on which I can sort the keys. For this I have to access the object's variables. Currently I create a global variable called $sort_self and I set this manually before calling the user defined cmp function byvalue, but this seems very unelegant.

it is not very elegant, b/c - sorry - you are violating OOP and encapsulation.

The best design is to add a method %keys=$obj->sort_keys_by_val() which returns your keys.

No need to tunnel $self artificially cause $self will be the first argument.