savefile 0.8.2

Simple, convenient, fast, versioned, binary serialization/deserialization library. Works on stable rust, but provides much better performance with nightly.
Documentation 
1
2
3
4
5
6
7
8
9
10

extern crate rustc_version;
use rustc_version::{version_meta, Channel};
fn main() {
    match version_meta().unwrap().channel {
        Channel::Nightly => {
            println!("cargo:rustc-cfg=feature=\"nightly\"");
        }
        _ => {}
    }
}