Remove obsolete workaround for #11040, derive PartialEq

rust-lang/rust#11040 is fixed, so the workaround can be removed.

Deriving Eq now requires deriving PartialEq as well.

Author: lilyball

lib.rs

@@ -84,7 +84,7 @@ pub mod Type {
     use std::{ptr, str};
 
     /// Lua value types
-    #[deriving(Clone,Eq,Show)]
+    #[deriving(Clone,PartialEq,Eq,Show)]
     pub enum Type {
         /// Type for nil
         Nil = raw::LUA_TNIL,

raw.rs

@@ -97,25 +97,12 @@ extern {
     pub fn lua_tolstring(L: *mut lua_State, idx: c_int,
                             len: *mut libc::size_t) -> *libc::c_char;
     pub fn lua_objlen(L: *mut lua_State, idx: c_int) -> libc::size_t;
-    // FIXME(#11040): fn -> Option<extern fn> is not immediate on 32-bit linux
-    #[cfg(not(target_os="macos"), not(target_os="windows"))]
-    #[link_name="lua_tocfunction"]
-    pub fn lua_tocfunction_(L: *mut lua_State, idx: c_int) -> *libc::c_void;
-    #[cfg(target_os="macos")]
-    #[cfg(target_os="windows")]
     pub fn lua_tocfunction(L: *mut lua_State, idx: c_int) -> Option<lua_CFunction>;
     pub fn lua_touserdata(L: *mut lua_State, idx: c_int) -> *mut libc::c_void;
     pub fn lua_tothread(L: *mut lua_State, idx: c_int) -> *mut lua_State;
     pub fn lua_topointer(L: *mut lua_State, idx: c_int) -> *libc::c_void;
 }
 
-#[cfg(not(target_os="macos"), not(target_os="windows"))]
-#[inline(always)]
-// FIXME(#11040)
-pub unsafe fn lua_tocfunction(L: *mut lua_State, idx: c_int) -> Option<lua_CFunction> {
-    ::std::cast::transmute(lua_tocfunction_(L, idx))
-}
-
 // Push functions (C -> stack)
 extern {
     pub fn lua_pushnil(L: *mut lua_State);

tests.rs

@@ -71,7 +71,7 @@ fn test_openlibs() {
     assert_eq!(s.type_(-1), Some(Type::Table));
 }
 
-#[deriving(Eq,Show)]
+#[deriving(PartialEq,Eq,Show)]
 enum CheckOptionEnum {
     COEOne,
     COETwo,