add new trait called IntoUrl

src/into_url.rs

@@ -0,0 +1,21 @@
+pub trait IntoUrl {
+    fn into_url(self) -> Result<url::Url, url::ParseError>;
+}
+
+impl<'a> IntoUrl for &'a str {
+    fn into_url(self) -> Result<url::Url, url::ParseError> {
+        url::Url::parse(self)
+    }
+}
+
+impl<'a> IntoUrl for &'a String {
+    fn into_url(self) -> Result<url::Url, url::ParseError> {
+        (&**self).into_url()
+    }
+}
+
+impl IntoUrl for String {
+    fn into_url(self) -> Result<url::Url, url::ParseError> {
+        (&*self).into_url()
+    }
+}

src/lib.rs

@@ -1,3 +1,4 @@
+pub mod into_url;
 pub mod request;
 pub mod response;
 pub mod selector;

src/request.rs

@@ -1,11 +1,12 @@
 use http::Method;
 use serde::Serialize;
-use url::{ParseError, Url};
+use url::ParseError;
 
+use crate::into_url::IntoUrl;
 use crate::response;
 
 pub trait RequestBase {
-    fn new(url: &'static str) -> Result<Self, ParseError>
+    fn new<T: IntoUrl>(url: T) -> Result<Self, ParseError>
     where
         Self: Sized;
     fn launch(self) -> response::Response;
@@ -18,8 +19,8 @@ pub struct Request {
 }
 
 impl RequestBase for Request {
-    fn new<'a>(url: &'a str) -> Result<Request, ParseError> {
-        match Url::parse(url) {
+    fn new<T: IntoUrl>(url: T) -> Result<Request, ParseError> {
+        match url.into_url() {
             Ok(url_parsed) => Ok(Request {
                 url: url_parsed,
                 method: Method::GET,