[types] OMG SO MUCH LIFETIME NONSENSE

types/src/number/integer.rs

@@ -17,16 +17,18 @@ impl Number for Int {
 }
 
 impl PartialEq<Obj> for Int {
-    fn eq(&self, rhs: &Obj) -> bool {
-        match rhs.obj().and_then(Object::as_num) {
+    fn eq<'a>(&self, rhs: &'a Obj) -> bool {
+        let obj: Option<&'a Object> = rhs.obj();
+        let num: Option<&'a Number> = obj.and_then(Object::as_num);
+        match num {
             Some(num) => self == num,
             None => false
         }
     }
 }
 
-impl PartialEq<Number> for Int {
-    fn eq(&self, rhs: &Number) -> bool {
+impl<'a> PartialEq<Number + 'a> for Int {
+    fn eq(&self, rhs: &(Number + 'a)) -> bool {
         match rhs.as_int() {
             Some(rhs) => *self == *rhs,
             None => false

types/src/object.rs

@@ -44,11 +44,11 @@ pub trait Object:
 }
 
 impl Obj {
-    pub fn new<T: 'static + Object>(obj: T) -> Obj {
+    pub fn new<T: Object + 'static>(obj: T) -> Obj {
         Obj::Ptr(Box::new(obj))
     }
 
-    pub fn obj<'a>(&'a self) -> Option<&'a Object> {
+    pub fn obj<'s, 'r: 's>(&'s self) -> Option<&'r (Object + 's)> {
         match self {
             Obj::Ptr(obj) => Some(obj.deref()),
             Obj::Null => None
@@ -60,7 +60,7 @@ impl Obj {
         mem::replace(self, Obj::Null)
     }
 
-    pub fn unbox_as<T: 'static + Object>(&self) -> Option<&T> {
+    pub fn unbox_as<T: Object + 'static>(&self) -> Option<&T> {
         match self {
             Obj::Null => None,
             Obj::Ptr(obj) => obj.as_any().downcast_ref::<T>()