Minimize 52893

fanninpm · Dec 19, 2020 · 36e9c56 · 36e9c56
1 parent f418aba
commit 36e9c56
Showing 1 changed file with 15 additions and 39 deletions.
diff --git a/ices/52893.rs b/ices/52893.rs
@@ -1,29 +1,19 @@
-impl<P, T, Name, F, OLIST: HList, X, Y, FINAL> AddClass<Name, F> for Class<P, T>
+impl<P, T, Name, F, OLIST, FINAL> AddClass<Name, F> for Class<P, T>
 where
     Self: At<Name>,
-    P: Default,
-    X: Entry,
-    T: Push<(P, F)>,
-    <X as Entry>::Data: Fn(Y) -> Class<P, OLIST>,
-    <Class<P, T> as At<Name>>::AtRes: Push<(P, F)>,
-    <<Class<P, T> as At<Name>>::AtRes as Push<(P, F)>>::PushRes: for<'this> ToRef<'this, Output=HCons<X, Y>> + Push<OLIST>,
-    <<<Class<P, T> as At<Name>>::AtRes as Push<(P, F)>>::PushRes as Push<OLIST>>::PushRes: Entry<Data=FINAL>
+    <Class<P, T> as At<Name>>::AtRes: Push<F>,
+    <<Class<P, T> as At<Name>>::AtRes as Push<F>>::PushRes:
+        ToRef<Output = Class<P, OLIST>> + Push<OLIST>,
+    <<<Class<P, T> as At<Name>>::AtRes as Push<F>>::PushRes as Push<OLIST>>::PushRes:
+        Entry<Data = FINAL>,
 {
     type Output = Class<P, FINAL>;
 
     fn init(self, func: F) -> Self::Output {
         let builder = self.at();
-        let builder = builder.push((P::default(), func));
-        let output = {
-            let refs = builder.to_ref();
-            let func = refs.head.borrow_data();
-            func(refs.tail)
-        };
-        let final_data = builder.push(output);
-        Class {
-            path: P::default(),
-            data: final_data.get_data()
-        }
+        let builder = builder.push(func);
+        let output = builder.to_ref();
+        builder.push(output)
     }
 }
 
@@ -44,48 +34,34 @@ trait Push<T> {
     fn push(self, other: T) -> Self::PushRes;
 }
 
-trait AddClass<Name, F>: At<Name> {
+trait AddClass<Name, F> {
     type Output;
 
     fn init(self, func: F) -> Self::Output;
 }
 
 trait Entry {
     type Data;
-
-    fn get_data(self) -> Self::Data;
-    fn borrow_data(&self) -> &Self::Data;
 }
 
-impl<P: HList, T> Class<P, T> {
+impl<P, T> Class<P, T> {
     fn with<Name, F>(self, constructor: F) -> <Self as AddClass<Name, F>>::Output
     where
         Self: AddClass<Name, F>,
     {
-        self.init(constructor)
+        loop {}
     }
 
     fn from<F>(self, constructor: F) -> <Self as AddClass<P, F>>::Output
     where
         Self: AddClass<P, F>,
     {
-        self.init(constructor)
+        loop {}
     }
 }
 
-fn main() {
-    println!("Hello, world!");
-}
-
-/// Below structs are to bypass the original frunk requirements
-pub trait HList {}
-pub struct HCons<H, T> {
-    pub head: H,
-    pub tail: T,
-}
-
-pub trait ToRef<'a> {
+trait ToRef {
     type Output;
 
-    fn to_ref(&'a self) -> Self::Output;
+    fn to_ref(&self) -> Self::Output;
 }