olemus
abstraktne andmetüüp, mis talletab võti-väärtus-paare
= an abstract data type that stores a collection of key-value-pairs

ülevaateid
https://www.quora.com/What-is-the-difference-between-an-associative-array-and-an-index-array

https://en.wikipedia.org/wiki/Associative_array

https://www.tutorialspoint.com/d_programming/pdf/d_programming_associative_arrays.pdf

https://stackoverflow.com/questions/44221762/how-to-model-associative-arrays-in-uml