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This page has been machine-translated from the original page.

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Table of Contents

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Environment

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This time, I’ll build an environment with the following setup so I can enjoy competitive programming in Rust.

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Setting Up the Rust Environment

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Installing Rust

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According to the official documentation, WSL users can easily install Rust with the following command.

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curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
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During the installation, you will be asked something like the following. I selected “Proceed with installation.”

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1) Proceed with installation (default)\n2) Customize installation\n3) Cancel installation
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Once the installation is complete, all tools are placed in ~/.cargo/bin, so add this directory to PATH.

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export PATH=$PATH:$HOME/.cargo/bin\necho 'export PATH=$PATH:$HOME/.cargo/bin' >> ~/.bashrc
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After adding it to PATH, use the following commands to confirm that the toolchain has been installed.

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rustup --version\nrustc --version\ncargo --version
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Hello, World

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For now, let’s create a Hello, World project.

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cargo new hello_world
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At this point, the following project directory is created.

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$ tree hello_world/\nhello_world/\n├── Cargo.toml\n└── src\n    └── main.rs\n\n1 directory, 2 files
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Next, compile main.rs.

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cd hello_world\ncargo run # or cargo build
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Then, the target directory is created, and the structure looks like this.

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$ tree hello_world/\nhello_world/\n├── Cargo.lock\n├── Cargo.toml\n├── src\n│   └── main.rs\n└── target\n    ├── CACHEDIR.TAG\n    └── debug\n        ├── build\n        ├── deps\n        │   ├── hello_world-dcff91f54b10472a\n        │   └── hello_world-dcff91f54b10472a.d\n        ├── examples\n        ├── hello_world\n        ├── hello_world.d\n        └── incremental\n            └── hello_world-2x2zxxntihjma\n                ├── s-g16k84pkgw-1kx1yoj-1r8cowopde7m7\n                │   ├── 18w4g3z43hvkcb89.o\n                │   ├── 2195c5i0j9yy401g.o\n                │   ├── 2d4qpr6fn1o2oy47.o\n                │   ├── 3n8l6lb07r0z64tp.o\n                │   ├── 4ltafe1k1v50rxij.o\n                │   ├── dep-graph.bin\n                │   ├── g7uy5q5v1tqa9ua.o\n                │   ├── osa6u353jylok1z.o\n                │   ├── query-cache.bin\n                │   ├── work-products.bin\n                │   └── wzcdn60lipjlwrg.o\n                └── s-g16k84pkgw-1kx1yoj.lock\n\n9 directories, 20 files
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The hello_world file directly under this debug directory is the compiled ELF binary itself.

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Summary

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I originally wanted to continue from here and configure VSCode so that Rust debugging would work,\nbut unfortunately I still could not find any VSCode extension that supported Rust debugging.

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I’ll add an update if there are any developments.

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