iterators.odin

// This struct can be anything you want. It will just get passed to our iterator function for each iteration.
// Just an example.
MyCustomIterator :: struct {
  data: []string //Can be any data
  index: int,
  length: int
}

iterate_my_type :: proc(it: ^MyCustomIterator) -> (value: string, index: int, ok: bool) {
    ok = it.index + 1 == it.length;
    value = data[it.index]
    index = it.index;
    it.index += 1;
}



proc_using_iterator :: proc() {
  iterator : MyCustomIterator = {data=some_array_of_strings, len=10, index = 0}
  for item in iterate_my_type(&iterator){
    // yadda yadda.
  }
}