chore(stability): remove core feature gate

src/client/response.rs

@@ -1,6 +1,5 @@
 //! Client Responses
 use std::io::{self, Read};
-use std::num::FromPrimitive;
 use std::marker::PhantomData;
 
 use buffer::BufReader;
@@ -13,7 +12,6 @@ use http::HttpReader::{SizedReader, ChunkedReader, EofReader};
 use status;
 use version;
 use HttpResult;
-use HttpError::HttpStatusError;
 
 /// A response for a client request to a remote server.
 pub struct Response<S = HttpStream> {
@@ -39,10 +37,7 @@ impl Response {
         let raw_status = head.subject;
         let headers = head.headers;
 
-        let status = match FromPrimitive::from_u16(raw_status.0) {
+        let status = status::StatusCode::from_u16(raw_status.0);
-            Some(status) => status,
-            None => return Err(HttpStatusError)
-        };
         debug!("version={:?}, status={:?}", head.version, status);
         debug!("headers={:?}", headers);
 

src/header/common/authorization.rs

@@ -1,7 +1,7 @@
+use std::any::Any;
 use std::fmt;
 use std::str::{FromStr, from_utf8};
 use std::ops::{Deref, DerefMut};
-use std::marker::Reflect;
 use serialize::base64::{ToBase64, FromBase64, Standard, Config, Newline};
 use header::{Header, HeaderFormat};
 
@@ -23,7 +23,7 @@ impl<S: Scheme> DerefMut for Authorization<S> {
     }
 }
 
-impl<S: Scheme + Reflect + 'static> Header for Authorization<S> where <S as FromStr>::Err: 'static {
+impl<S: Scheme + Any> Header for Authorization<S> where <S as FromStr>::Err: 'static {
     fn header_name() -> &'static str {
         "Authorization"
     }
@@ -44,7 +44,7 @@ impl<S: Scheme + Reflect + 'static> Header for Authorization<S> where <S as From
     }
 }
 
-impl<S: Scheme + Reflect + 'static> HeaderFormat for Authorization<S> where <S as FromStr>::Err: 'static {
+impl<S: Scheme + Any> HeaderFormat for Authorization<S> where <S as FromStr>::Err: 'static {
     fn fmt_header(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
         match Scheme::scheme(None::<S>) {
             Some(scheme) => try!(write!(fmt, "{} ", scheme)),
@@ -71,7 +71,7 @@ impl Scheme for String {
     }
 
     fn fmt_scheme(&self, f: &mut fmt::Formatter) -> fmt::Result {
-		write!(f, "{}", self)
+        write!(f, "{}", self)
     }
 }
 

src/header/internals/item.rs

@@ -1,7 +1,10 @@
+use std::any::Any;
 use std::any::TypeId;
 use std::fmt;
 use std::str::from_utf8;
 
+use typeable::Typeable;
+
 use super::cell::{OptCell, PtrMapCell};
 use header::{Header, HeaderFormat};
 
@@ -24,7 +27,7 @@ impl Item {
     #[inline]
     pub fn new_typed(ty: Box<HeaderFormat + Send + Sync>) -> Item {
         let map = PtrMapCell::new();
-        unsafe { map.insert((&*ty).get_type_id(), ty); }
+        unsafe { map.insert((*ty).get_type(), ty); }
         Item {
             raw: OptCell::new(None),
             typed: map,
@@ -51,7 +54,7 @@ impl Item {
         &raw[..]
     }
 
-    pub fn typed<H: Header + HeaderFormat>(&self) -> Option<&H> {
+    pub fn typed<H: Header + HeaderFormat + Any>(&self) -> Option<&H> {
         let tid = TypeId::of::<H>();
         match self.typed.get(tid) {
             Some(val) => Some(val),

src/header/mod.rs

@@ -12,6 +12,7 @@ use std::iter::{FromIterator, IntoIterator};
 use std::{mem, fmt};
 
 use {httparse, traitobject};
+use typeable::Typeable;
 use unicase::UniCase;
 
 use self::internals::Item;
@@ -50,7 +51,7 @@ pub trait Header: Clone + Any + Send + Sync {
 /// A trait for any object that will represent a header field and value.
 ///
 /// This trait represents the formatting of a Header for output to a TcpStream.
-pub trait HeaderFormat: fmt::Debug + HeaderClone + Any + Send + Sync {
+pub trait HeaderFormat: fmt::Debug + HeaderClone + Any + Typeable + Send + Sync {
     /// Format a header to be output into a TcpStream.
     ///
     /// This method is not allowed to introduce an Err not produced
@@ -61,12 +62,12 @@ pub trait HeaderFormat: fmt::Debug + HeaderClone + Any + Send + Sync {
 
 #[doc(hidden)]
 pub trait HeaderClone {
-    fn clone_box(&self) -> Box<HeaderFormat + Sync + Send>;
+    fn clone_box(&self) -> Box<HeaderFormat + Send + Sync>;
 }
 
-impl<T: HeaderFormat + Send + Sync + Clone> HeaderClone for T {
+impl<T: HeaderFormat + Clone> HeaderClone for T {
     #[inline]
-    fn clone_box(&self) -> Box<HeaderFormat + Sync + Send> {
+    fn clone_box(&self) -> Box<HeaderFormat + Send + Sync> {
         Box::new(self.clone())
     }
 }

src/header/shared/quality_item.rs

@@ -6,7 +6,6 @@
 use std::cmp;
 use std::default::Default;
 use std::fmt;
-use std::num::{FromPrimitive, ToPrimitive};
 use std::str;
 
 /// Represents a quality used in quality values.
@@ -20,7 +19,7 @@ use std::str;
 /// floating point data type (`f32`) consumes four bytes, hyper uses an `u16` value to store the
 /// quality internally. For performance reasons you may set quality directly to a value between
 /// 0 and 1000 e.g. `Quality(532)` matches the quality `q=0.532`.
-#[derive(Clone, Debug, Eq, Ord, PartialEq, PartialOrd)]
+#[derive(Copy, Clone, Debug, Eq, Ord, PartialEq, PartialOrd)]
 pub struct Quality(pub u16);
 
 impl fmt::Display for Quality {
@@ -33,43 +32,6 @@ impl fmt::Display for Quality {
     }
 }
 
-impl FromPrimitive for Quality {
-    fn from_i64(n: i64) -> Option<Quality> {
-        match n >= 0 {
-            true => FromPrimitive::from_u64(n as u64),
-            false => None,
-        }
-    }
-
-    fn from_u64(n: u64) -> Option<Quality> {
-        match n <= 1000 {
-            true => Some(Quality(n as u16)),
-            false => None,
-        }
-    }
-
-    fn from_f64(n: f64) -> Option<Quality> {
-        match n >= 0f64 && n <= 1f64 {
-            true => Some(Quality((n * 1000f64) as u16)),
-            false => None,
-        }
-    }
-}
-
-impl ToPrimitive for Quality {
-    fn to_i64(&self) -> Option<i64> {
-        Some(self.0 as i64)
-    }
-
-    fn to_u64(&self) -> Option<u64> {
-        Some(self.0 as u64)
-    }
-
-    fn to_f64(&self) -> Option<f64> {
-        Some((self.0 as f64) / 1000f64)
-    }
-}
-
 impl Default for Quality {
     fn default() -> Quality {
         Quality(1000)
@@ -91,7 +53,10 @@ impl<T> QualityItem<T> {
     /// The item can be of any type.
     /// The quality should be a value in the range [0, 1].
     pub fn new(item: T, quality: Quality) -> QualityItem<T> {
-        QualityItem{item: item, quality: quality}
+        QualityItem {
+            item: item,
+            quality: quality
+        }
     }
 }
 
@@ -136,12 +101,21 @@ impl<T: str::FromStr> str::FromStr for QualityItem<T> {
             }
         }
         match raw_item.parse::<T>() {
-            Ok(item) => Ok(QualityItem::new(item, FromPrimitive::from_f32(quality).unwrap())),
+            // we already checked above that the quality is within range
+            Ok(item) => Ok(QualityItem::new(item, from_f32(quality))),
             Err(_) => return Err(()),
         }
     }
 }
 
+fn from_f32(f: f32) -> Quality {
+    // this function is only used internally. A check that `f` is within range
+    // should be done before calling this method. Just in case, this
+    // debug_assert should catch if we were forgetful
+    debug_assert!(f >= 0f32 && f <= 1f32, "q value must be between 0.0 and 1.0");
+    Quality((f * 1000f32) as u16)
+}
+
 /// Convinience function to wrap a value in a `QualityItem`
 /// Sets `q` to the default 1.0
 pub fn qitem<T>(item: T) -> QualityItem<T> {
@@ -150,13 +124,12 @@ pub fn qitem<T>(item: T) -> QualityItem<T> {
 
 /// Convenience function to create a `Quality` fromt a float.
 pub fn q(f: f32) -> Quality {
-    FromPrimitive::from_f32(f).expect("q value must be between 0.0 and 1.0")
+    assert!(f >= 0f32 && f <= 1f32, "q value must be between 0.0 and 1.0");
+    from_f32(f)
 }
 
 #[cfg(test)]
 mod tests {
-    use std::num::FromPrimitive;
-
     use super::*;
     use super::super::encoding::*;
 
@@ -206,25 +179,32 @@ mod tests {
         assert_eq!(x, Err(()));
     }
     #[test]
+    fn test_quality_item_from_str6() {
+        let x: Result<QualityItem<Encoding>, ()> = "gzip; q=2".parse();
+        assert_eq!(x, Err(()));
+    }
+    #[test]
     fn test_quality_item_ordering() {
         let x: QualityItem<Encoding> = "gzip; q=0.5".parse().ok().unwrap();
         let y: QualityItem<Encoding> = "gzip; q=0.273".parse().ok().unwrap();
         let comparision_result: bool = x.gt(&y);
         assert_eq!(comparision_result, true)
     }
+
     #[test]
     fn test_quality() {
-        assert_eq!(Some(Quality(421)), FromPrimitive::from_f64(0.421f64));
+        assert_eq!(q(0.5), Quality(500));
-        assert_eq!(Some(Quality(421)), FromPrimitive::from_f32(0.421f32));
+    }
-        assert_eq!(Some(Quality(421)), FromPrimitive::from_i16(421i16));
-        assert_eq!(Some(Quality(421)), FromPrimitive::from_i32(421i32));
-        assert_eq!(Some(Quality(421)), FromPrimitive::from_i64(421i64));
-        assert_eq!(Some(Quality(421)), FromPrimitive::from_u16(421u16));
-        assert_eq!(Some(Quality(421)), FromPrimitive::from_u32(421u32));
-        assert_eq!(Some(Quality(421)), FromPrimitive::from_u64(421u64));
 
-        assert_eq!(None::<Quality>, FromPrimitive::from_i16(-5i16));
+    #[test]
-        assert_eq!(None::<Quality>, FromPrimitive::from_i32(5000i32));
+    #[should_panic]
-        assert_eq!(None::<Quality>, FromPrimitive::from_f32(2.5f32));
+    fn test_quality_invalid() {
+        q(-1.0);
+    }
+
+    #[test]
+    #[should_panic]
+    fn test_quality_invalid2() {
+        q(2.0);
     }
 }

src/http.rs

@@ -2,7 +2,6 @@
 use std::borrow::{Cow, ToOwned};
 use std::cmp::min;
 use std::io::{self, Read, Write, BufRead};
-use std::num::FromPrimitive;
 
 use httparse;
 
@@ -378,11 +377,8 @@ impl<'a> TryParse for httparse::Response<'a> {
         Ok(match try!(res.parse(buf)) {
             httparse::Status::Complete(len) => {
                 let code = res.code.unwrap();
-                let reason = match <StatusCode as FromPrimitive>::from_u16(code) {
+                let reason = match StatusCode::from_u16(code).canonical_reason() {
-                    Some(status) => match status.canonical_reason() {
+                    Some(reason) => Cow::Borrowed(reason),
-                        Some(reason) => Cow::Borrowed(reason),
-                        None => Cow::Owned(res.reason.unwrap().to_owned())
-                    },
                     None => Cow::Owned(res.reason.unwrap().to_owned())
                 };
                 httparse::Status::Complete((Incoming {

src/lib.rs

@@ -1,5 +1,4 @@
 #![doc(html_root_url = "https://hyperium.github.io/hyper/hyper/index.html")]
-#![feature(core)]
 #![deny(missing_docs)]
 #![cfg_attr(test, deny(warnings))]
 #![cfg_attr(test, feature(test))]

src/net.rs

@@ -6,7 +6,6 @@ use std::net::{SocketAddr, ToSocketAddrs, TcpStream, TcpListener};
 use std::mem;
 use std::path::Path;
 use std::sync::Arc;
-use std::marker::Reflect;
 
 use openssl::ssl::{Ssl, SslStream, SslContext};
 use openssl::ssl::SslVerifyMode::SslVerifyNone;
@@ -135,7 +134,7 @@ impl NetworkStream + Send {
     /// If the underlying type is T, get a mutable reference to the contained
     /// data.
     #[inline]
-    pub fn downcast_mut<T: Reflect + 'static>(&mut self) -> Option<&mut T> {
+    pub fn downcast_mut<T: Any>(&mut self) -> Option<&mut T> {
         if self.is::<T>() {
             Some(unsafe { self.downcast_mut_unchecked() })
         } else {
@@ -144,7 +143,7 @@ impl NetworkStream + Send {
     }
 
     /// If the underlying type is T, extract it.
-    pub fn downcast<T: Reflect + 'static>(self: Box<NetworkStream + Send>)
+    pub fn downcast<T: Any>(self: Box<NetworkStream + Send>)
             -> Result<Box<T>, Box<NetworkStream + Send>> {
         if self.is::<T>() {
             Ok(unsafe { self.downcast_unchecked() })

src/status.rs

@@ -1,6 +1,5 @@
 //! HTTP status codes
 use std::fmt;
-use std::num::{FromPrimitive, ToPrimitive};
 use std::cmp::Ordering;
 
 // shamelessly lifted from Teepee. I tried a few schemes, this really
@@ -20,11 +19,9 @@ use std::cmp::Ordering;
 /// `self.class().default_code()`:
 ///
 /// ```rust
-/// #![feature(core)]
-/// # use std::num::FromPrimitive;
 /// # use hyper::status::StatusCode;
-/// let statusopt: Option<StatusCode> = FromPrimitive::from_u16(137u16);
+/// let status = StatusCode::Unregistered(123);
-/// assert_eq!(statusopt.unwrap().class().default_code(), StatusCode::Continue);
+/// assert_eq!(status.class().default_code(), StatusCode::Continue);
 /// ```
 ///
 /// IANA maintain the [Hypertext Transfer Protocol (HTTP) Status Code
@@ -225,6 +222,136 @@ pub enum StatusCode {
 
 impl StatusCode {
 
+    #[doc(hidden)]
+    pub fn from_u16(n: u16) -> StatusCode {
+        match n {
+            100 => StatusCode::Continue,
+            101 => StatusCode::SwitchingProtocols,
+            102 => StatusCode::Processing,
+            200 => StatusCode::Ok,
+            201 => StatusCode::Created,
+            202 => StatusCode::Accepted,
+            203 => StatusCode::NonAuthoritativeInformation,
+            204 => StatusCode::NoContent,
+            205 => StatusCode::ResetContent,
+            206 => StatusCode::PartialContent,
+            207 => StatusCode::MultiStatus,
+            208 => StatusCode::AlreadyReported,
+            226 => StatusCode::ImUsed,
+            300 => StatusCode::MultipleChoices,
+            301 => StatusCode::MovedPermanently,
+            302 => StatusCode::Found,
+            303 => StatusCode::SeeOther,
+            304 => StatusCode::NotModified,
+            305 => StatusCode::UseProxy,
+            307 => StatusCode::TemporaryRedirect,
+            308 => StatusCode::PermanentRedirect,
+            400 => StatusCode::BadRequest,
+            401 => StatusCode::Unauthorized,
+            402 => StatusCode::PaymentRequired,
+            403 => StatusCode::Forbidden,
+            404 => StatusCode::NotFound,
+            405 => StatusCode::MethodNotAllowed,
+            406 => StatusCode::NotAcceptable,
+            407 => StatusCode::ProxyAuthenticationRequired,
+            408 => StatusCode::RequestTimeout,
+            409 => StatusCode::Conflict,
+            410 => StatusCode::Gone,
+            411 => StatusCode::LengthRequired,
+            412 => StatusCode::PreconditionFailed,
+            413 => StatusCode::PayloadTooLarge,
+            414 => StatusCode::UriTooLong,
+            415 => StatusCode::UnsupportedMediaType,
+            416 => StatusCode::RangeNotSatisfiable,
+            417 => StatusCode::ExpectationFailed,
+            418 => StatusCode::ImATeapot,
+            422 => StatusCode::UnprocessableEntity,
+            423 => StatusCode::Locked,
+            424 => StatusCode::FailedDependency,
+            426 => StatusCode::UpgradeRequired,
+            428 => StatusCode::PreconditionRequired,
+            429 => StatusCode::TooManyRequests,
+            431 => StatusCode::RequestHeaderFieldsTooLarge,
+            500 => StatusCode::InternalServerError,
+            501 => StatusCode::NotImplemented,
+            502 => StatusCode::BadGateway,
+            503 => StatusCode::ServiceUnavailable,
+            504 => StatusCode::GatewayTimeout,
+            505 => StatusCode::HttpVersionNotSupported,
+            506 => StatusCode::VariantAlsoNegotiates,
+            507 => StatusCode::InsufficientStorage,
+            508 => StatusCode::LoopDetected,
+            510 => StatusCode::NotExtended,
+            511 => StatusCode::NetworkAuthenticationRequired,
+            _ => StatusCode::Unregistered(n),
+        }
+    }
+
+    #[doc(hidden)]
+    pub fn to_u16(&self) -> u16 {
+        match *self {
+            StatusCode::Continue => 100,
+            StatusCode::SwitchingProtocols => 101,
+            StatusCode::Processing => 102,
+            StatusCode::Ok => 200,
+            StatusCode::Created => 201,
+            StatusCode::Accepted => 202,
+            StatusCode::NonAuthoritativeInformation => 203,
+            StatusCode::NoContent => 204,
+            StatusCode::ResetContent => 205,
+            StatusCode::PartialContent => 206,
+            StatusCode::MultiStatus => 207,
+            StatusCode::AlreadyReported => 208,
+            StatusCode::ImUsed => 226,
+            StatusCode::MultipleChoices => 300,
+            StatusCode::MovedPermanently => 301,
+            StatusCode::Found => 302,
+            StatusCode::SeeOther => 303,
+            StatusCode::NotModified => 304,
+            StatusCode::UseProxy => 305,
+            StatusCode::TemporaryRedirect => 307,
+            StatusCode::PermanentRedirect => 308,
+            StatusCode::BadRequest => 400,
+            StatusCode::Unauthorized => 401,
+            StatusCode::PaymentRequired => 402,
+            StatusCode::Forbidden => 403,
+            StatusCode::NotFound => 404,
+            StatusCode::MethodNotAllowed => 405,
+            StatusCode::NotAcceptable => 406,
+            StatusCode::ProxyAuthenticationRequired => 407,
+            StatusCode::RequestTimeout => 408,
+            StatusCode::Conflict => 409,
+            StatusCode::Gone => 410,
+            StatusCode::LengthRequired => 411,
+            StatusCode::PreconditionFailed => 412,
+            StatusCode::PayloadTooLarge => 413,
+            StatusCode::UriTooLong => 414,
+            StatusCode::UnsupportedMediaType => 415,
+            StatusCode::RangeNotSatisfiable => 416,
+            StatusCode::ExpectationFailed => 417,
+            StatusCode::ImATeapot => 418,
+            StatusCode::UnprocessableEntity => 422,
+            StatusCode::Locked => 423,
+            StatusCode::FailedDependency => 424,
+            StatusCode::UpgradeRequired => 426,
+            StatusCode::PreconditionRequired => 428,
+            StatusCode::TooManyRequests => 429,
+            StatusCode::RequestHeaderFieldsTooLarge => 431,
+            StatusCode::InternalServerError => 500,
+            StatusCode::NotImplemented => 501,
+            StatusCode::BadGateway => 502,
+            StatusCode::ServiceUnavailable => 503,
+            StatusCode::GatewayTimeout => 504,
+            StatusCode::HttpVersionNotSupported => 505,
+            StatusCode::VariantAlsoNegotiates => 506,
+            StatusCode::InsufficientStorage => 507,
+            StatusCode::LoopDetected => 508,
+            StatusCode::NotExtended => 510,
+            StatusCode::NetworkAuthenticationRequired => 511,
+            StatusCode::Unregistered(n) => n,
+        } 
+    }
+
     /// Get the standardised `reason-phrase` for this status code.
     ///
     /// This is mostly here for servers writing responses, but could potentially have application
@@ -312,7 +439,7 @@ impl StatusCode {
 
     /// Determine the class of a status code, based on its first digit.
     pub fn class(&self) -> StatusClass {
-        match self.to_u16().unwrap() {
+        match self.to_u16() {
             100...199 => StatusClass::Informational,
             200...299 => StatusClass::Success,
             300...399 => StatusClass::Redirection,
@@ -363,19 +490,9 @@ impl Copy for StatusCode {}
 /// assert_eq!(format!("{}", Unregistered(123)),
 ///            "123 <unknown status code>");
 /// ```
-///
-/// If you wish to just include the number, convert to `u16` instead:
-///
-/// ```rust
-/// #![feature(core)]
-/// # use std::num::ToPrimitive;
-/// # use hyper::status::StatusCode::{ImATeapot, Unregistered};
-/// assert_eq!(format!("{}", ImATeapot.to_u16().unwrap()), "418");
-/// assert_eq!(format!("{}", Unregistered(123).to_u16().unwrap()), "123");
-/// ```
 impl fmt::Display for StatusCode {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "{} {}", self.to_u16().unwrap(),
+        write!(f, "{} {}", self.to_u16(),
                self.canonical_reason().unwrap_or("<unknown status code>"))
     }
 }
@@ -396,88 +513,10 @@ impl Clone for StatusCode {
     }
 }
 
-impl FromPrimitive for StatusCode {
-    fn from_i64(n: i64) -> Option<StatusCode> {
-        if n < 0 {
-            None
-        } else {
-            FromPrimitive::from_u64(n as u64)
-        }
-    }
-
-    fn from_u64(n: u64) -> Option<StatusCode> {
-        if n > 65535 {
-            None
-        } else {
-            Some(match n {
-                100 => StatusCode::Continue,
-                101 => StatusCode::SwitchingProtocols,
-                102 => StatusCode::Processing,
-                200 => StatusCode::Ok,
-                201 => StatusCode::Created,
-                202 => StatusCode::Accepted,
-                203 => StatusCode::NonAuthoritativeInformation,
-                204 => StatusCode::NoContent,
-                205 => StatusCode::ResetContent,
-                206 => StatusCode::PartialContent,
-                207 => StatusCode::MultiStatus,
-                208 => StatusCode::AlreadyReported,
-                226 => StatusCode::ImUsed,
-                300 => StatusCode::MultipleChoices,
-                301 => StatusCode::MovedPermanently,
-                302 => StatusCode::Found,
-                303 => StatusCode::SeeOther,
-                304 => StatusCode::NotModified,
-                305 => StatusCode::UseProxy,
-                307 => StatusCode::TemporaryRedirect,
-                308 => StatusCode::PermanentRedirect,
-                400 => StatusCode::BadRequest,
-                401 => StatusCode::Unauthorized,
-                402 => StatusCode::PaymentRequired,
-                403 => StatusCode::Forbidden,
-                404 => StatusCode::NotFound,
-                405 => StatusCode::MethodNotAllowed,
-                406 => StatusCode::NotAcceptable,
-                407 => StatusCode::ProxyAuthenticationRequired,
-                408 => StatusCode::RequestTimeout,
-                409 => StatusCode::Conflict,
-                410 => StatusCode::Gone,
-                411 => StatusCode::LengthRequired,
-                412 => StatusCode::PreconditionFailed,
-                413 => StatusCode::PayloadTooLarge,
-                414 => StatusCode::UriTooLong,
-                415 => StatusCode::UnsupportedMediaType,
-                416 => StatusCode::RangeNotSatisfiable,
-                417 => StatusCode::ExpectationFailed,
-                418 => StatusCode::ImATeapot,
-                422 => StatusCode::UnprocessableEntity,
-                423 => StatusCode::Locked,
-                424 => StatusCode::FailedDependency,
-                426 => StatusCode::UpgradeRequired,
-                428 => StatusCode::PreconditionRequired,
-                429 => StatusCode::TooManyRequests,
-                431 => StatusCode::RequestHeaderFieldsTooLarge,
-                500 => StatusCode::InternalServerError,
-                501 => StatusCode::NotImplemented,
-                502 => StatusCode::BadGateway,
-                503 => StatusCode::ServiceUnavailable,
-                504 => StatusCode::GatewayTimeout,
-                505 => StatusCode::HttpVersionNotSupported,
-                506 => StatusCode::VariantAlsoNegotiates,
-                507 => StatusCode::InsufficientStorage,
-                508 => StatusCode::LoopDetected,
-                510 => StatusCode::NotExtended,
-                511 => StatusCode::NetworkAuthenticationRequired,
-                _ => StatusCode::Unregistered(n as u16),
-            })
-        }
-    }
-}
-
 impl PartialOrd for StatusCode {
     #[inline]
     fn partial_cmp(&self, other: &StatusCode) -> Option<Ordering> {
-        self.to_u16().unwrap().partial_cmp(&(other.to_u16().unwrap()))
+        self.to_u16().partial_cmp(&(other.to_u16()))
     }
 }
 
@@ -494,76 +533,6 @@ impl Ord for StatusCode {
     }
 }
 
-impl ToPrimitive for StatusCode {
-    fn to_i64(&self) -> Option<i64> {
-        Some(self.to_u64().unwrap() as i64)
-    }
-
-    fn to_u64(&self) -> Option<u64> {
-        Some(match *self {
-            StatusCode::Continue => 100,
-            StatusCode::SwitchingProtocols => 101,
-            StatusCode::Processing => 102,
-            StatusCode::Ok => 200,
-            StatusCode::Created => 201,
-            StatusCode::Accepted => 202,
-            StatusCode::NonAuthoritativeInformation => 203,
-            StatusCode::NoContent => 204,
-            StatusCode::ResetContent => 205,
-            StatusCode::PartialContent => 206,
-            StatusCode::MultiStatus => 207,
-            StatusCode::AlreadyReported => 208,
-            StatusCode::ImUsed => 226,
-            StatusCode::MultipleChoices => 300,
-            StatusCode::MovedPermanently => 301,
-            StatusCode::Found => 302,
-            StatusCode::SeeOther => 303,
-            StatusCode::NotModified => 304,
-            StatusCode::UseProxy => 305,
-            StatusCode::TemporaryRedirect => 307,
-            StatusCode::PermanentRedirect => 308,
-            StatusCode::BadRequest => 400,
-            StatusCode::Unauthorized => 401,
-            StatusCode::PaymentRequired => 402,
-            StatusCode::Forbidden => 403,
-            StatusCode::NotFound => 404,
-            StatusCode::MethodNotAllowed => 405,
-            StatusCode::NotAcceptable => 406,
-            StatusCode::ProxyAuthenticationRequired => 407,
-            StatusCode::RequestTimeout => 408,
-            StatusCode::Conflict => 409,
-            StatusCode::Gone => 410,
-            StatusCode::LengthRequired => 411,
-            StatusCode::PreconditionFailed => 412,
-            StatusCode::PayloadTooLarge => 413,
-            StatusCode::UriTooLong => 414,
-            StatusCode::UnsupportedMediaType => 415,
-            StatusCode::RangeNotSatisfiable => 416,
-            StatusCode::ExpectationFailed => 417,
-            StatusCode::ImATeapot => 418,
-            StatusCode::UnprocessableEntity => 422,
-            StatusCode::Locked => 423,
-            StatusCode::FailedDependency => 424,
-            StatusCode::UpgradeRequired => 426,
-            StatusCode::PreconditionRequired => 428,
-            StatusCode::TooManyRequests => 429,
-            StatusCode::RequestHeaderFieldsTooLarge => 431,
-            StatusCode::InternalServerError => 500,
-            StatusCode::NotImplemented => 501,
-            StatusCode::BadGateway => 502,
-            StatusCode::ServiceUnavailable => 503,
-            StatusCode::GatewayTimeout => 504,
-            StatusCode::HttpVersionNotSupported => 505,
-            StatusCode::VariantAlsoNegotiates => 506,
-            StatusCode::InsufficientStorage => 507,
-            StatusCode::LoopDetected => 508,
-            StatusCode::NotExtended => 510,
-            StatusCode::NetworkAuthenticationRequired => 511,
-            StatusCode::Unregistered(n) => n,
-        } as u64)
-    }
-}
-
 /// The class of an HTTP `status-code`.
 ///
 /// [RFC 7231, section 6 (Response Status Codes)](https://tools.ietf.org/html/rfc7231#section-6):
@@ -669,20 +638,3 @@ impl StatusClass {
         }
     }
 }
-
-impl ToPrimitive for StatusClass {
-    fn to_i64(&self) -> Option<i64> {
-        Some(self.to_u64().unwrap() as i64)
-    }
-
-    fn to_u64(&self) -> Option<u64> {
-        Some(match *self {
-            StatusClass::Informational => 100,
-            StatusClass::Success => 200,
-            StatusClass::Redirection => 300,
-            StatusClass::ClientError => 400,
-            StatusClass::ServerError => 500,
-            StatusClass::NoClass => 200,
-        })
-    }
-}

src/version.rs

@@ -7,7 +7,7 @@ use std::fmt;
 use self::HttpVersion::{Http09, Http10, Http11, Http20};
 
 /// Represents a version of the HTTP spec.
-#[derive(PartialEq, PartialOrd, Copy, Debug)]
+#[derive(PartialEq, PartialOrd, Copy, Clone, Eq, Ord, Hash, Debug)]
 pub enum HttpVersion {
     /// `HTTP/0.9`
     Http09,