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Asked: 2026-05-14T16:31:54+00:00

I understand that constant CStrings are allocated statically, rather than on the heap. I

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I understand that constant CStrings are allocated statically, rather than on the heap.

I also noticed that constant NSStrings have an infinite retain count. Does it hold true that constant NSStrings are also allocated statically, rather than on the heap?

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  1. Editorial Team

    Constant NSStrings are of class NSConstantString, and thus act like atoms in lisp; they hang around. -> NSConstantStrings are allocated statically. That is, if you use @"cow" in two separate places in your code, they will be referencing the very same object.

    The reason why NSConstantStrings even have a retain count is because they inherit from NSObject.

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