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@ -8,13 +8,13 @@ so it is assumed that Rust projects will use Cargo from the beginning.
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[cratesio]: http://doc.crates.io
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Cargo manages three things: building your code, downloading the dependencies
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your code needs, and building those dependencies. At first, your
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program doesn’t have any dependencies, so we’ll only be using the first part of
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its functionality. Eventually, we’ll add more. Since we started off by using
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Cargo, it'll be easy to add later.
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your code needs, and building those dependencies. At first, your program doesn’t
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have any dependencies, so we’ll only be using the first part of its
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functionality. Eventually, we’ll add more. Since we started off by using Cargo,
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it'll be easy to add later.
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If you installed Rust via the official installers you will also have Cargo. If
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you installed Rust some other way, you may want to [check the Cargo
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If we installed Rust via the official installers we will also have Cargo. If we
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installed Rust some other way, we may want to [check the Cargo
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README][cargoreadme] for specific instructions about installing it.
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[cargoreadme]: https://github.com/rust-lang/cargo#installing-cargo-from-nightlies
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@ -25,18 +25,18 @@ Let’s convert Hello World to Cargo.
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To Cargo-ify our project, we need to do three things: Make a `Cargo.toml`
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configuration file, put our source file in the right place, and get rid of the
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old `main.exe`. Let's do that part first:
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old executable (`main.exe` on Windows, `main` everywhere else). Let's do that part first:
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```bash
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$ mkdir src
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$ mv main.rs src/main.rs
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$ rm main.exe
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$ rm main # or main.exe on Windows
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```
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Note that since we're creating an executable, we retain `main.rs` as the source
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filename. If we want to make a library instead, we should use `lib.rs`. This
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convention is required for Cargo to successfully compile our projects, but it
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can be overridden if we wish. Custom file locations for the entry point can be
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can be overridden if we wish. Custom file locations for the entry point can be
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specified with a [`[lib]` or `[[bin]]`][crates-custom] key in the TOML file.
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[crates-custom]: http://doc.crates.io/manifest.html#configuring-a-target
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