Simple quine in rust, just because.HEADmain

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+quine
+main2.rs
+quine2
+main3.rs
diff --git a/README.md b/README.md
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+# quine
+
+A simple [quine](https://en.wikipedia.org/wiki/Quine_%28computing%29) in rust.
+
+## usage
+
+Rust compiler must be installed. md5sum program also required for run script to check the generated sources are the same
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diff --git a/main.rs b/main.rs
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+fn main() { const PGRM : &str = "fn main() { const PGRM : &str = \"%s\"; println!(\"{}\", PGRM.replacen(\"%s\", &PGRM.escape_default().to_string(), 1)); }"; println!("{}", PGRM.replacen("%s", &PGRM.escape_default().to_string(), 1)); }
diff --git a/run.sh b/run.sh
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+# Run it once,
+rustc -o quine main.rs
+./quine > main2.rs
+# Run it from the generated sources
+rustc -o quine2 main2.rs
+./quine2 > main3.rs
+# Check it's the same every time
+md5sum main.rs main2.rs main3.rs
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