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Diffstat (limited to 'vendor/arrayvec/src/array.rs')
| -rw-r--r-- | vendor/arrayvec/src/array.rs | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/vendor/arrayvec/src/array.rs b/vendor/arrayvec/src/array.rs deleted file mode 100644 index 2de5e77c..00000000 --- a/vendor/arrayvec/src/array.rs +++ /dev/null @@ -1,151 +0,0 @@ - -/// Trait for fixed size arrays. -/// -/// This trait is implemented for some specific array sizes, see -/// the implementor list below. At the current state of Rust we can't -/// make this fully general for every array size. -/// -/// The following crate features add more array sizes (and they are not -/// enabled by default due to their impact on compliation speed). -/// -/// - `array-sizes-33-128`: All sizes 33 to 128 are implemented -/// (a few in this range are included by default). -/// - `array-sizes-129-255`: All sizes 129 to 255 are implemented -/// (a few in this range are included by default). -/// -/// ## Safety -/// -/// This trait can *only* be implemented by fixed-size arrays or types with -/// *exactly* the representation of a fixed size array (of the right element -/// type and capacity). -/// -/// Normally this trait is an implementation detail of arrayvec and doesn’t -/// need implementing. -pub unsafe trait Array { - /// The array’s element type - type Item; - /// The smallest type that can index and tell the length of the array. - #[doc(hidden)] - type Index: Index; - /// The array's element capacity - const CAPACITY: usize; - fn as_slice(&self) -> &[Self::Item]; - fn as_mut_slice(&mut self) -> &mut [Self::Item]; -} - -pub trait Index : PartialEq + Copy { - const ZERO: Self; - fn to_usize(self) -> usize; - fn from(_: usize) -> Self; -} - -impl Index for () { - const ZERO: Self = (); - #[inline(always)] - fn to_usize(self) -> usize { 0 } - #[inline(always)] - fn from(_ix: usize) -> Self { () } -} - -impl Index for bool { - const ZERO: Self = false; - #[inline(always)] - fn to_usize(self) -> usize { self as usize } - #[inline(always)] - fn from(ix: usize) -> Self { ix != 0 } -} - -impl Index for u8 { - const ZERO: Self = 0; - #[inline(always)] - fn to_usize(self) -> usize { self as usize } - #[inline(always)] - fn from(ix: usize) -> Self { ix as u8 } -} - -impl Index for u16 { - const ZERO: Self = 0; - #[inline(always)] - fn to_usize(self) -> usize { self as usize } - #[inline(always)] - fn from(ix: usize) -> Self { ix as u16 } -} - -impl Index for u32 { - const ZERO: Self = 0; - #[inline(always)] - fn to_usize(self) -> usize { self as usize } - #[inline(always)] - fn from(ix: usize) -> Self { ix as u32 } -} - -impl Index for usize { - const ZERO: Self = 0; - #[inline(always)] - fn to_usize(self) -> usize { self } - #[inline(always)] - fn from(ix: usize) -> Self { ix } -} - -macro_rules! fix_array_impl { - ($index_type:ty, $len:expr ) => ( - unsafe impl<T> Array for [T; $len] { - type Item = T; - type Index = $index_type; - const CAPACITY: usize = $len; - #[doc(hidden)] - fn as_slice(&self) -> &[Self::Item] { self } - #[doc(hidden)] - fn as_mut_slice(&mut self) -> &mut [Self::Item] { self } - } - ) -} - -macro_rules! fix_array_impl_recursive { - ($index_type:ty, ) => (); - ($index_type:ty, $($len:expr,)*) => ( - $(fix_array_impl!($index_type, $len);)* - ); -} - - -fix_array_impl_recursive!((), 0,); -fix_array_impl_recursive!(bool, 1,); -fix_array_impl_recursive!(u8, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, - 28, 29, 30, 31, ); - -#[cfg(not(feature="array-sizes-33-128"))] -fix_array_impl_recursive!(u8, 32, 40, 48, 50, 56, 64, 72, 96, 100, 128, ); - -#[cfg(feature="array-sizes-33-128")] -fix_array_impl_recursive!(u8, -32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, -72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, -92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, -109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, -125, 126, 127, 128, -); - -#[cfg(not(feature="array-sizes-129-255"))] -fix_array_impl_recursive!(u8, 160, 192, 200, 224,); - -#[cfg(feature="array-sizes-129-255")] -fix_array_impl_recursive!(u8, -129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, -141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, -157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, -173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, -189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, -205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, -221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, -237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, -253, 254, 255, -); - -fix_array_impl_recursive!(u16, 256, 384, 512, 768, 1024, 2048, 4096, 8192, 16384, 32768,); -// This array size doesn't exist on 16-bit -#[cfg(any(target_pointer_width="32", target_pointer_width="64"))] -fix_array_impl_recursive!(u32, 1 << 16,); - |