Add tiny example to Client

src/client.rs

@@ -28,6 +28,23 @@ static DEFAULT_USER_AGENT: &'static str = concat!(env!("CARGO_PKG_NAME"), "/", e
 ///
 /// The `Client` holds a connection pool internally, so it is advised that
 /// you create one and reuse it.
+///
+/// # Examples
+///
+/// ```no_run
+/// extern crate reqwest;
+///
+/// use reqwest::{Error, Client};
+///
+/// fn run() -> Result<(), Error> {
+///     Client::new()?.get("http://httpbin.org/").send()?;
+///     Ok(())
+/// }
+///
+/// fn main() {
+///     run().unwrap();
+/// }
+/// ```
 #[derive(Clone)]
 pub struct Client {
     inner: Arc<ClientRef>,