downcast

A trait (& utilities) for downcasting trait objects back to their original types.

link to API documentation

example usage

Add to your Cargo.toml:

[dependencies]
downcast = "0.7"

Add to your crate root:

#[macro_use]
extern crate downcast;

• simple showcases the most simple usage of this library.
• with_params showcases how to deal with traits who have type parameters.
• downcasted showcases how to use the Downcasted wrapper types.

build features

• std (default) enables all functionality requiring the standard library (Downcast::downcast()).
• nightly enables all functionality requiring rust nightly (Any::type_name(), Downcasted::try_from()).

contribution guidelines

Make sure to cargo install rustfmt and cargo fmt the codebase before creating any commits!