examples: Use edition = 2018

Author: Turbo87

examples/basic/Cargo.toml

@@ -2,6 +2,7 @@
 name = "example"
 version = "0.0.1"
 authors = ["Example User <[email protected]>"]
+edition = "2018"
 
 [dependencies]
 civet = "0.12.0-alpha.5"

examples/basic/src/main.rs

@@ -1,12 +1,7 @@
-extern crate civet;
-extern crate conduit;
-extern crate conduit_router;
-
-use std::sync::mpsc::channel;
-
 use civet::{Config, Server};
 use conduit::{Body, HttpResult, RequestExt, Response};
 use conduit_router::{RequestParams, RouteBuilder};
+use std::sync::mpsc::channel;
 
 fn name(req: &mut dyn RequestExt) -> HttpResult {
     let name = req.params().find("name").unwrap();