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@ -258,27 +258,33 @@ Rust的位运算基本上和其他语言一样
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```rust
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fn main() {
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// 二进制为00000010
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let a:i32 = 2;
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// 无符号8位整数,二进制为00000010
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let a: u8 = 2; // 也可以写 let a: u8 = 0b_0000_0010;
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// 二进制为00000011
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let b:i32 = 3;
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let b: u8 = 3;
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// {:08b}:左高右低输出二进制01,不足8位则高位补0
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println!("a value is {:08b}", a);
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println!("b value is {:08b}", b);
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println!("(a & b) value is {}", a & b);
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println!("(a & b) value is {:08b}", a & b);
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println!("(a | b) value is {}", a | b);
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println!("(a | b) value is {:08b}", a | b);
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println!("(a ^ b) value is {}", a ^ b);
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println!("(a ^ b) value is {:08b}", a ^ b);
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println!("(!b) value is {} ", !b);
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println!("(!b) value is {:08b}", !b);
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println!("(a << b) value is {}", a << b);
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println!("(a << b) value is {:08b}", a << b);
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println!("(a >> b) value is {}", a >> b);
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println!("(a >> b) value is {:08b}", a >> b);
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let mut a = a;
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// 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)
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a <<= b;
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println!("(a << b) value is {}", a);
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println!("(a << b) value is {:08b}", a);
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}
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```
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