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Merge pull request #109 from bluss/array-sizes-33-255

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Add all array sizes 33-128 and 129-255 under a feature gate
This commit is contained in:
bluss
2018-11-25 09:41:35 +01:00
committed by GitHub
parent 813e9dde42 d77b93079f
commit f5adeab5f5
5 changed files with 77 additions and 6 deletions
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.travis.yml
+6
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@@ -9,6 +9,12 @@ matrix:
env:
- NODEFAULT=1
- NODROP_FEATURES='use_needs_drop'
- rust: 1.22.1
env:
- FEATURES='array-sizes-33-128 array-sizes-129-255'
- rust: stable
env:
- FEATURES='array-sizes-33-128 array-sizes-129-255'
- rust: beta
- rust: nightly
env:
Cargo.toml
+3
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@@ -40,6 +40,9 @@ std = []
use_union = []
serde-1 = ["serde"]
array-sizes-33-128 = []
array-sizes-129-255 = []
[package.metadata.docs.rs]
features = ["serde-1"]
src/array.rs
+50 -6
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@@ -1,5 +1,17 @@
/// 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).
pub unsafe trait Array {
/// The array’s element type
type Item;
@@ -65,10 +77,13 @@ macro_rules! fix_array_impl {
unsafe impl<T> Array for [T; $len] {
type Item = T;
type Index = $index_type;
#[doc(hidden)]
#[inline(always)]
fn as_ptr(&self) -> *const T { self as *const _ as *const _ }
#[doc(hidden)]
#[inline(always)]
fn as_mut_ptr(&mut self) -> *mut T { self as *mut _ as *mut _}
#[doc(hidden)]
#[inline(always)]
fn capacity() -> usize { $len }
}
@@ -77,15 +92,44 @@ macro_rules! fix_array_impl {
macro_rules! fix_array_impl_recursive {
($index_type:ty, ) => ();
($index_type:ty, $len:expr, $($more:expr,)*) => (
fix_array_impl!($index_type, $len);
fix_array_impl_recursive!($index_type, $($more,)*);
($index_type:ty, $($len:expr,)*) => (
$(fix_array_impl!($index_type, $len);)*
);
}
fix_array_impl_recursive!(u8, 0, 1, 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,
32, 40, 48, 50, 56, 64, 72, 96, 100, 128, 160, 192, 200, 224,);
fix_array_impl_recursive!(u8, 0, 1, 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"))]
src/lib.rs
+3
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@@ -18,6 +18,9 @@
//! - `serde-1`
//! - Optional
//! - Enable serialization for ArrayVec and ArrayString using serde 1.0
//! - `array-sizes-33-128`, `array-sizes-129-255`
//! - Optional
//! - Enable more array sizes (see [Array] for more information)
//!
//! ## Rust Version
//!
tests/tests.rs
+15
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@@ -485,3 +485,18 @@ fn test_default() {
assert_eq!(s.len(), 0);
assert_eq!(v.len(), 0);
}
#[cfg(feature="array-sizes-33-128")]
#[test]
fn test_sizes_33_128() {
ArrayVec::from([0u8; 52]);
ArrayVec::from([0u8; 127]);
}
#[cfg(feature="array-sizes-129-255")]
#[test]
fn test_sizes_129_255() {
ArrayVec::from([0u8; 237]);
ArrayVec::from([0u8; 255]);
}