learn_rust_demo 0.1.0

learn rust publish demo
Documentation 
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pub trait Summary {
    fn summarize(&self) -> String {
        String::from("Loading...")
    }
}

pub struct NewsArticle {
    pub headline: String,
    pub location: String,
    pub author: String,
    pub content: String,
}

impl Summary for NewsArticle {
    // fn summarize(&self) -> String {
    //     format!("{}, by {} ({})", self.headline, self.author, self.location)
    // }
}

pub struct Tweet {
    pub username: String,
    pub content: String,
    pub reply: bool,
    pub retweet: bool,
}

impl Summary for Tweet {
    fn summarize(&self) -> String {
        format!("我是Tweet的summarize: {}", self.username)
    }
}