📜  impl from - 任何代码示例

📅  最后修改于: 2022-03-11 14:59:09.206000             🧑  作者: Mango

代码示例1
use std::convert::From;

impl From for Number {    
    fn from(item: i32) -> Self {        
        Number { value: item }    
    }
}