Remove the optional generic-array feature

- It can be added back later if needed
- A public dependency implies version coupling, and we can't afford to
  have it for a niche use case.

.travis.yml

@@ -5,7 +5,6 @@ matrix:
     - rust: 1.12.0
     - rust: stable
       env:
-        - FEATURES="use_generic_array"
         - NODEFAULT=1
     - rust: beta
     - rust: nightly
@@ -16,7 +15,7 @@ matrix:
       - NODROP_FEATURES='use_needs_drop'
     - rust: nightly
       env:
-      - FEATURES='use_union use_generic_array'
+      - FEATURES='use_union'
       - NODROP_FEATURES='use_union'
 branches:
   only:

Cargo.toml

@@ -19,12 +19,7 @@ version = "0.1.8"
 path = "nodrop"
 default-features = false
 
-[dependencies.generic-array]
-version = "0.5.1"
-optional = true
-
 [features]
 default = ["std"]
 std = ["odds/std", "nodrop/std"]
 use_union = ["nodrop/use_union"]
-use_generic_array = ["generic-array"]

src/array.rs

@@ -32,24 +32,6 @@ pub trait ArrayExt : Array {
 
 impl<A> ArrayExt for A where A: Array { }
 
-#[cfg(feature = "use_generic_array")]
-unsafe impl<T, U> Array for ::generic_array::GenericArray<T, U>
-    where U: ::generic_array::ArrayLength<T>
-{
-    type Item = T;
-    type Index = usize;
-    fn as_ptr(&self) -> *const Self::Item {
-        (**self).as_ptr()
-    }
-    fn as_mut_ptr(&mut self) -> *mut Self::Item {
-        (**self).as_mut_ptr()
-    }
-    fn capacity() -> usize {
-        U::to_usize()
-    }
-
-}
-
 impl Index for u8 {
     #[inline(always)]
     fn to_usize(self) -> usize { self as usize }

src/lib.rs

@@ -14,19 +14,11 @@
 //!   - Use the unstable feature untagged unions for the internal implementation,
 //!     which has reduced space overhead
 //!
-//! - `use_generic_array`
-//!   - Optional
-//!   - Requires Rust stable channel
-//!   - Depend on generic-array and allow using it just like a fixed
-//!     size array for ArrayVec storage.
 #![doc(html_root_url="https://docs.rs/arrayvec/0.3/")]
 #![cfg_attr(not(feature="std"), no_std)]
 extern crate odds;
 extern crate nodrop;
 
-#[cfg(feature = "use_generic_array")]
-extern crate generic_array;
-
 #[cfg(not(feature="std"))]
 extern crate core as std;
 

tests/generic_array.rs

@@ -1,23 +0,0 @@
-#![cfg(feature = "use_generic_array")]
-
-extern crate arrayvec;
-#[macro_use]
-extern crate generic_array;
-
-use arrayvec::ArrayVec;
-
-use generic_array::GenericArray;
-
-use generic_array::typenum::U41;
-
-#[test]
-fn test_simple() {
-    let mut vec: ArrayVec<GenericArray<i32, U41>> = ArrayVec::new();
-
-    assert_eq!(vec.len(), 0);
-    assert_eq!(vec.capacity(), 41);
-    vec.extend(0..20);
-    assert_eq!(vec.len(), 20);
-    assert_eq!(&vec[..5], &[0, 1, 2, 3, 4]);
-}
-