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16 lines
345 B
Rust
16 lines
345 B
Rust
// variables4.rs
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//
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// Execute `rustlings hint variables4` or use the `hint` watch subcommand for a
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// hint.
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// I AM DONE
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fn main() {
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// Variable bindings are immutable by default
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// 变量绑定默认是不可变的
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let mut x = 3;
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println!("Number {}", x);
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x = 5; // don't change this line
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println!("Number {}", x);
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}
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