//! Additional features for Tera that require 3rd party dependencies
//! These are in a separate package so the crate version can be changed independently
//! of the tera crate.
//!
//! To use them, call the Tera.{register_filter,register_function,register_test} functions:
//!
//! ```ignore
//! use tera::Tera;
//!
//! let mut tera = Tera::default();
//! tera.register_filter("b64_encode", tera_contrib::base64::b64_encode);
//! ```
//!