ferrugem olá mundo
1) ferrugem Olá mundo
$ mkdir rust-tutorial
$ cd rust-tutorial/
$ cargo new hello-world
Created binary (application) `hello-world` package
$ cargo run
Compiling hello-world v0.1.0 (/Users/y50/rust-tutorial/hello-world)
Finished dev [unoptimized + debuginfo] target(s) in 3.42s
Running `/Users/y50/rust-tutorial/hello-world/target/debug/hello-world`
Hello, world!
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