scan-rules 0.0.4

This crate provides some macros for quickly parsing values out of text. Roughly speaking, it does the inverse of the print!/format! macros; or, in other words, a similar job to scanf from C.
Documentation 
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extern crate rustc_version;
use rustc_version::{version_matches};

fn main() {
    println!("cargo:rerun-if-changed=build.rs");

    /*
    See <https://github.com/rust-lang/rust/issues/26448#issuecomment-173794570>.
    */
    if version_matches("< 1.7.0") {
        println!("cargo:rustc-cfg=str_into_output_extra_broken");
    }
}