Make fringe::Context private.

Author: edef1c

README.md

@@ -16,9 +16,7 @@ It provides high-level, safe abstractions:
   * an implementation of internal iterators, also known as generators,
     [Generator](https://nathan7.github.io/libfringe/fringe/generator/struct.Generator.html).
 
-It also provides low-level, *very* unsafe building blocks:
-  * a flexible, low-level context-swapping mechanism,
-    [Context](https://nathan7.github.io/libfringe/fringe/struct.Context.html);
+It also provides low-level, unsafe building blocks:
   * a trait that can be implemented by stack allocators,
     [Stack](https://nathan7.github.io/libfringe/fringe/struct.Stack.html);
   * a stack allocator based on anonymous memory mappings with guard pages,

src/lib.rs

@@ -16,10 +16,8 @@
 //!   * an implementation of internal iterators, also known as generators,
 //!     [Generator](generator/struct.Generator.html).
 //!
-//! It also provides low-level, *very* unsafe building blocks:
+//! It also provides low-level, unsafe building blocks:
 //!
-//!   * a flexible, low-level context-swapping mechanism,
-//!     [Context](struct.Context.html);
 //!   * a trait that can be implemented by stack allocators,
 //!     [Stack](struct.Stack.html);
 //!   * a stack allocator based on anonymous memory mappings with guard pages,
@@ -33,7 +31,6 @@ extern crate std;
 
 pub use stack::Stack;
 pub use stack::GuardedStack;
-pub use context::Context;
 pub use generator::Generator;
 
 #[cfg(any(unix, windows))]