periodic-elements

This crate provides a list of all 118 discovered elements, as well as additional information about each. You'll probably want to use the constant ELEMENTS, as it provides a 'static slice of elements. Additionally, this crate uses std::borrow::Cow extensively, as it allows for mutating element information very efficiently, while not requiring heap allocations by default. Additionally, every field within Element supports std::fmt::Display (with the exception of cpk) and std::fmt::Debug, making it easy to display.