1 files changed, 0 insertions, 78 deletions
diff --git a/library/core/src/const_closure.rs b/library/core/src/const_closure.rs
deleted file mode 100644
index 97900a486..000000000
--- a/library/core/src/const_closure.rs
+++ /dev/null
@@ -1,78 +0,0 @@
-use crate::marker::Destruct;
-use crate::marker::Tuple;
-
-/// Struct representing a closure with mutably borrowed data.
-///
-/// Example:
-/// ```no_build
-/// #![feature(const_mut_refs)]
-/// use crate::const_closure::ConstFnMutClosure;
-/// const fn imp(state: &mut i32, (arg,): (i32,)) -> i32 {
-///   *state += arg;
-///   *state
-/// }
-/// let mut i = 5;
-/// let mut cl = ConstFnMutClosure::new(&mut i, imp);
-///
-/// assert!(7 == cl(2));
-/// assert!(8 == cl(1));
-/// ```
-pub(crate) struct ConstFnMutClosure<CapturedData, Function> {
-    /// The Data captured by the Closure.
-    /// Must be either a (mutable) reference or a tuple of (mutable) references.
-    pub data: CapturedData,
-    /// The Function of the Closure, must be: Fn(CapturedData, ClosureArgs) -> ClosureReturn
-    pub func: Function,
-}
-impl<'a, CapturedData: ?Sized, Function> ConstFnMutClosure<&'a mut CapturedData, Function> {
-    /// Function for creating a new closure.
-    ///
-    /// `data` is the a mutable borrow of data that is captured from the environment.
-    /// If you want Data to be a tuple of mutable Borrows, the struct must be constructed manually.
-    ///
-    /// `func` is the function of the closure, it gets the data and a tuple of the arguments closure
-    ///   and return the return value of the closure.
-    pub(crate) const fn new<ClosureArguments, ClosureReturnValue>(
-        data: &'a mut CapturedData,
-        func: Function,
-    ) -> Self
-    where
-        Function: ~const Fn(&mut CapturedData, ClosureArguments) -> ClosureReturnValue,
-    {
-        Self { data, func }
-    }
-}
-
-macro_rules! impl_fn_mut_tuple {
-    ($($var:ident)*) => {
-        #[allow(unused_parens)]
-        impl<'a, $($var,)* ClosureArguments: Tuple, Function, ClosureReturnValue> const
-            FnOnce<ClosureArguments> for ConstFnMutClosure<($(&'a mut $var),*), Function>
-        where
-            Function: ~const Fn(($(&mut $var),*), ClosureArguments) -> ClosureReturnValue+ ~const Destruct,
-        {
-            type Output = ClosureReturnValue;
-
-            extern "rust-call" fn call_once(mut self, args: ClosureArguments) -> Self::Output {
-            self.call_mut(args)
-            }
-        }
-        #[allow(unused_parens)]
-        impl<'a, $($var,)* ClosureArguments: Tuple, Function, ClosureReturnValue> const
-            FnMut<ClosureArguments> for ConstFnMutClosure<($(&'a mut $var),*), Function>
-        where
-            Function: ~const Fn(($(&mut $var),*), ClosureArguments)-> ClosureReturnValue,
-        {
-            extern "rust-call" fn call_mut(&mut self, args: ClosureArguments) -> Self::Output {
-                #[allow(non_snake_case)]
-                let ($($var),*) = &mut self.data;
-                (self.func)(($($var),*), args)
-            }
-        }
-    };
-}
-impl_fn_mut_tuple!(A);
-impl_fn_mut_tuple!(A B);
-impl_fn_mut_tuple!(A B C);
-impl_fn_mut_tuple!(A B C D);
-impl_fn_mut_tuple!(A B C D E);