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修改位操作示例展示效果 #1383

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修改位操作示例展示效果 #1383

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修改位操作示例展示效果
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@tianq02
tianq02 committed Feb 18, 2024
commit 568094dc04bdeba6dc788e571ebbea72bbd52ea1
26 changes: 16 additions & 10 deletions src/basic/base-type/numbers.md
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Original file line number Diff line number Diff line change
Expand Up @@ -258,27 +258,33 @@ Rust的位运算基本上和其他语言一样

```rust
fn main() {
// 二进制为00000010
let a:i32 = 2;
// 无符号8位整数，二进制为00000010
let a: u8 = 2; // 也可以写 let a: u8 = 0b_0000_0010;

// 二进制为00000011
let b:i32 = 3;
let b: u8 = 3;

// {:08b}：左高右低输出二进制01，不足8位则高位补0
println!("a value is {:08b}", a);

println!("b value is {:08b}", b);

println!("(a & b) value is {}", a & b);
println!("(a & b) value is {:08b}", a & b);

println!("(a | b) value is {}", a | b);
println!("(a | b) value is {:08b}", a | b);

println!("(a ^ b) value is {}", a ^ b);
println!("(a ^ b) value is {:08b}", a ^ b);

println!("(!b) value is {} ", !b);
println!("(!b) value is {:08b}", !b);

println!("(a << b) value is {}", a << b);
println!("(a << b) value is {:08b}", a << b);

println!("(a >> b) value is {}", a >> b);
println!("(a >> b) value is {:08b}", a >> b);

let mut a = a;
// 注意这些计算符除了!之外都可以加上=进行赋值 (因为!=要用来判断不等于)
a <<= b;
println!("(a << b) value is {}", a);
println!("(a << b) value is {:08b}", a);
}
```

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