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elpa/rust-playground-readme.txt

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+Local playground for the Rust programs similar to play.rust-lang.org.
+`M-x rust-playground` and type you rust code then make&run it with `C-c C-c`.
+Toggle between Cargo.toml and main.rs with `C-c b`
+Delete the current playground and close all buffers with `C-c k`
+
+Playground requires preconfigured environment for Rust language.
+
+It is port of github.com/grafov/go-playground for Go language.