From 67cdcc2e12118becb823e20a40cc2687f2b8425a Mon Sep 17 00:00:00 2001
From: Adam Carpenter <53hornet@gmail.com>
Date: Wed, 27 Mar 2019 15:32:37 -0400
Subject: Started Rust in Action MEAP.
---
traits/Cargo.lock | 4 --
traits/Cargo.toml | 7 ----
traits/src/main.rs | 114 -----------------------------------------------------
3 files changed, 125 deletions(-)
delete mode 100644 traits/Cargo.lock
delete mode 100644 traits/Cargo.toml
delete mode 100644 traits/src/main.rs
(limited to 'traits')
diff --git a/traits/Cargo.lock b/traits/Cargo.lock
deleted file mode 100644
index 3eff52b..0000000
--- a/traits/Cargo.lock
+++ /dev/null
@@ -1,4 +0,0 @@
-[[package]]
-name = "traits"
-version = "0.1.0"
-
diff --git a/traits/Cargo.toml b/traits/Cargo.toml
deleted file mode 100644
index 461bdcd..0000000
--- a/traits/Cargo.toml
+++ /dev/null
@@ -1,7 +0,0 @@
-[package]
-name = "traits"
-version = "0.1.0"
-authors = ["Adam Carpenter <adam.carpenter@adp.com>"]
-edition = "2018"
-
-[dependencies]
diff --git a/traits/src/main.rs b/traits/src/main.rs
deleted file mode 100644
index 770caa9..0000000
--- a/traits/src/main.rs
+++ /dev/null
@@ -1,114 +0,0 @@
-use std::fmt::Display;
-
-struct Pair<T> {
- x: T,
- y: T,
-}
-
-impl<T> Pair<T> {
- fn new(x: T, y: T) -> Self {
- Self {
- x,
- y,
- }
- }
-}
-
-impl<T: Display + PartialOrd> Pair<T> {
- fn cmp_display(&self) {
- if self.x >= self.y {
- println!("{}", self.x);
- }
- else {
- println!("{}", self.y);
- }
- }
-}
-
-pub trait Summary {
- fn summarize(&self) -> String {
- format!("(read more from {}...)", self.summarize_author())
- }
-
- fn summarize_author(&self) -> String;
-}
-
-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)
-// }
-
- fn summarize_author(&self) -> String {
- format!("{}", self.author)
- }
-
-}
-
-pub struct Tweet {
- pub username: String,
- pub content: String,
- pub reply: bool,
- pub retweet: bool,
-}
-
-impl Summary for Tweet {
-// fn summarize(&self) -> String {
-// format!("{}: {}", self.username, self.content)
-// }
-
- fn summarize_author(&self) -> String {
- format!("@{}", self.username)
- }
-}
-
-pub fn notify(item: impl Summary) {
- println!("breaking news: {}", item.summarize());
-}
-
-fn returns_summarizable() -> impl Summary {
-
- NewsArticle {
- headline: String::from("Penguins win the stanley cup championship!"),
- location: String::from("Pittsburgh, PA, USA"),
- author: String::from("Iceburgh"),
- content: String::from("The pittsburgh penguins are winners I guess."),
- }
-// Tweet {
-// username: String::from("horse_ebooks"),
-// content: String::from("of course blargh"),
-// reply: false,
-// retweet: false,
-// }
-}
-
-fn main() {
-
- let tweet = Tweet {
- username: String::from("horse_ebooks"),
- content: String::from("of course, as you probably already know, people"),
- reply: false,
- retweet: false,
- };
-
- //dbg!(tweet.summarize());
-
- let article = NewsArticle {
- headline: String::from("Penguins win the stanley cup championship!"),
- location: String::from("Pittsburgh, PA, USA"),
- author: String::from("Iceburgh"),
- content: String::from("The pittsburgh penguins are winners I guess."),
- };
-
- //dbg!(article.summarize());
-
- //notify(tweet);
-
- returns_summarizable();
-}
--
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