Iterators in GoLang were introduced in Go 1.23, and it was about time. Many programming languages like Python, Ruby, and JavaScript have iterators, which are powerful tools for iterating over collections. This post explores how to use iterators in GoLang, specifically demonstrating their use with the for loop and an example from Advent of Code 2024. Why to use an iterator Iterators provide a memory-efficient way to process sequences of data by generating values one at a time, only when needed.
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