What is the order of traversal of elements in a map container? Is it fixed by some algorithm, arbitrarily determined during compilation, or determined at runtime?

In Go, the order of iteration over elements in a map container is determined at runtime and is arbitrary. This means that with each iteration over a map, the order of keys may differ, and it is not fixed by any algorithm or during compilation.

This is intentionally done to prevent code dependence on the iteration order and to improve security (for example, protection against attacks based on predictable order).

Example:

m := map[string]int{"a": 1, "b": 2, "c": 3}
for k, v := range m {
    fmt.Println(k, v)
}
// Output order may vary each time the program is run