Tools for Rust [`Iterator`s](https://doc.rust-lang.org/core/iter/trait.Iterator.html)
over maps (`HashMap`, `BTreeMap`, etc), or any two-element tuple (like `(K, V)`).

[![Crates.io](https://img.shields.io/crates/v/itermap.svg)](https://crates.io/crates/itermap)
[![Docs.rs](https://docs.rs/itermap/badge.svg)](https://docs.rs/itermap/)