Small improvements

src/dispatcher/auth.rs

@@ -1,6 +1,7 @@
 // Copyright (c) 2022 Yuki Kishimoto
 // Distributed under the MIT software license
 
+#[derive(Clone)]
 pub struct Auth {
     username: String,
     password: String,

src/dispatcher/builder.rs

@@ -10,6 +10,7 @@ use url::Url;
 use super::{Auth, Dispatcher};
 use crate::error::NtfyError;
 
+#[derive(Clone)]
 pub struct DispatcherBuilder {
     url: String,
     auth: Option<Auth>,

src/dispatcher/mod.rs

@@ -24,7 +24,7 @@ pub struct Dispatcher {
 
 impl Dispatcher {
     /// Create new dispatcher
-    pub fn new<S>(url: S, auth: Option<Auth>, proxy: Option<&str>) -> Result<Self, NtfyError>
+    pub fn new<S>(url: S, auth: Option<Auth>, proxy: Option<S>) -> Result<Self, NtfyError>
     where
         S: Into<String>,
     {

src/lib.rs

@@ -6,6 +6,9 @@
 #[macro_use]
 extern crate serde;
 
+pub use chrono::{Duration, Local};
+pub use url::Url;
+
 pub mod dispatcher;
 pub mod error;
 mod net;