exp3 
What is it?
Rust data types for (de)serializing expression settings from .exp3.json files
How do I obtain this majestic tool?
Run the following Cargo command in your project directory (assuming you have cargo-edit installed):
cargo add exp3
Or add the following line to your Cargo.toml (in the [dependencies] array):
= "^ 0.2"
How do I use it?
use Expression3;
How was this made?
Using the discovery process for undocumented JSON formats described here.
License
exp3 is available under the MIT License. See LICENSE.txt for the full text.
While the license is short, it's still written in fancy lawyer-speak. If you prefer more down-to-earth language, consider the following: