rustcxx

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google /rustcxx

rustcxx: Using C++ from Rust made easy

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rustcxx: Using C++ from Rust made easy

rustcxx is a tool allowing C++ to be used from a Rust project easily. It works by allowing snippets of C++ to be included within a Rust function, and vice-versa.

Example

#![plugin(rustcxx_plugin)]

cxx_inline! { #include <stdint.h> uint32_t square_it(uint32_t x) { return rust![(x: u32) -> u32 { println!("Rust: Squaring {}", x); x * x }]; } }

let x: u32 = 5; let square = unsafe { cxx![(x: u32) -> u32 { std::cout << "C++: Squaring " << x << std::endl; square_it(x) }] }; </stdint.h>

See the provided example for more details.

Usage

rustcxx requires a nightly version of the Rust compiler.

Add to your

Cargo.toml
: ```toml [package] build = "build.rs"

[dependencies.rustcxx_plugin] git = "https://github.com/google/rustcxx" branch = "unstable"

[build-dependencies.rustcxx_codegen] git = "https://github.com/google/rustcxx" branch = "unstable" ```

and create a

build.rs
file containing the following:
extern crate rustcxx_codegen;

fn main() { rustcxx_codegen::build("src/main.rs"); }

Authors

The main author is Paul Liétar.

Contributions

We gladly accept contributions via GitHub pull requests, as long as the author has signed the Google Contributor License. Please see CONTRIBUTING.md for more details.

Disclaimer

This is not an official Google product (experimental or otherwise), it is just code that happens to be owned by Google.

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