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Literal C String

A procedural macro for making literal C strings.

Problem

I was tired of typing the following:

let s = CString::new("Hello, world!").unwrap();

Ideally, I would be able to do something similar to the syntax of a byte string c"Hello, world!" but that requires a language change.

Solution

I decided to create a macro that is close enough.

let s = c!("Hello, world!");

Installation

Currently requires a nightly build of rust. Use rustc 1.28.0 (9634041f0 2018-07-30) or newer.

[dependencies]
quote = "0.6"

#![feature(proc_macro_non_items)]

extern crate literal_cstr;

use literal_cstr::c;

Procedural macros are stable, but #![feature(proc_macro_non_items)] is required in order to use the macro with a literal string expression.

Usage

let s = c!("Hello, world!");

Check out /examples/show.rs for a full example.

Tests

$ cargo test

License

Licensed under either of

Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

literal_cstr 0.1.0