mirror of https://github.com/sunface/rust-course
sunface
3 years ago
parent
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commit
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[book]
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[book]
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authors = ["sunface"]
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authors = ["sunface"]
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language = "en"
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language = "zh-CN"
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multilingual = false
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title = "Rust编程指南(The Way To Rust)"
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src = "src"
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title = "The way to rust"
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[output.html]
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[output.html]
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additional-css = ["assets/ferris.css", "assets/theme/2018-edition.css"]
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additional-css = ["assets/ferris.css", "assets/theme/2018-edition.css"]
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additional-js = ["assets/ferris.js"]
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additional-js = ["assets/ferris.js"]
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git-repository-url = "https://github.com/rustcm/the-way-to-rust"
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git-repository-url = "https://github.com/rustcm/the-way-to-rust"
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edit-url-template = "https://github.com/rustcm/the-way-to-rust/edit/main/{path}"
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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[[package]]
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name = "variables"
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version = "0.1.0"
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[package]
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name = "variables"
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version = "0.1.0"
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authors = ["Your Name <you@example.com>"]
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edition = "2018"
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[dependencies]
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$ cargo run
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Compiling variables v0.1.0 (file:///projects/variables)
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error[E0384]: cannot assign twice to immutable variable `x`
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--> src/main.rs:4:5
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2 | let x = 5;
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| -
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| first assignment to `x`
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| help: make this binding mutable: `mut x`
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3 | println!("The value of x is: {}", x);
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4 | x = 6;
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| ^^^^^ cannot assign twice to immutable variable
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0384`.
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error: could not compile `variables`
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To learn more, run the command again with --verbose.
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fn main() {
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let x = 5;
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println!("The value of x is: {}", x);
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x = 6;
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println!("The value of x is: {}", x);
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}
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# A-关键字
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After Width: | Height: | Size: 6.6 KiB |
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After Width: | Height: | Size: 6.2 KiB |
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After Width: | Height: | Size: 6.1 KiB |
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## 认识Cargo
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## 认识Cargo
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## cargo check
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