olemus
võtufunktsioon objektkeeles
Wiktionary:
2. (object-oriented programming) a function that retrieves a value, usually without changing any data

ülevaateid
https://www.quora.com/What-does-an-accessor-function-mean-in-object-oriented-programming
https://www.scribd.com/document/447474304/Accessor-and-Mutator-methods
https://github.khronos.org/SYCL_Reference/iface/accessor-concept.html