Iterator: general refactoring and reset method #193
Merged
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Major break
Feature
Reset allows for the iteration process over a sequence to be restarted from the beginning. It enables reusing the iterator for multiple traversals without needing to recreate it.
Refactoring
It is a idiomatic practice to design functions and methods to return concrete struct types. This approach promotes flexibility and decoupling, allowing the calling code to work with any implementation that satisfies the interface