Merge #14

14: const generics r=eldruin a=burrbull



Co-authored-by: Andrey Zgarbul <zgarbul.andrey@gmail.com>

Author: bors[bot]

.github/bors.toml

@@ -5,5 +5,5 @@ status = [
   "ci-linux (stable, x86_64-unknown-linux-gnu)",
   "ci-linux (stable, thumbv6m-none-eabi)",
   "ci-linux (stable, thumbv7m-none-eabi)",
-  "ci-linux (1.37.0, x86_64-unknown-linux-gnu)",
+  "ci-linux (1.51.0, x86_64-unknown-linux-gnu)",
 ]

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
 
         include:
           # Test MSRV
-          - rust: 1.37.0
+          - rust: 1.51.0
             TARGET: x86_64-unknown-linux-gnu
 
 

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
 
         include:
           # Test MSRV
-          - rust: 1.37.0
+          - rust: 1.51.0
 
           # Test nightly but don't fail
           - rust: nightly

README.md

@@ -8,7 +8,7 @@ This project is developed and maintained by the [HAL team][team].
 
 ## Minimum Supported Rust Version (MSRV)
 
-This crate is guaranteed to compile on stable Rust 1.37.0 and up. It *might*
+This crate is guaranteed to compile on stable Rust 1.51.0 and up. It *might*
 compile with older versions but that may change in any new patch release.
 
 ## License

src/lib.rs

@@ -184,58 +184,13 @@ unsafe impl<T: WriteTarget> WriteTarget for [T] {
     type Word = T::Word;
 }
 
-macro_rules! dma_target_array_impls {
-    ( $( $i:expr, )+ ) => {
-        $(
-            unsafe impl<T: ReadTarget> ReadTarget for [T; $i] {
-                type Word = T::Word;
-            }
-
-            unsafe impl<T: WriteTarget> WriteTarget for [T; $i] {
-                type Word = T::Word;
-            }
-        )+
-    };
+unsafe impl<T: ReadTarget, const N: usize> ReadTarget for [T; N] {
+    type Word = T::Word;
 }
 
-#[rustfmt::skip]
-dma_target_array_impls!(
-     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,  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, 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, 256,
-
-   1 <<  9,
-   1 << 10,
-   1 << 11,
-   1 << 12,
-   1 << 13,
-   1 << 14,
-   1 << 15,
-   1 << 16,
-);
+unsafe impl<T: WriteTarget, const N: usize> WriteTarget for [T; N] {
+    type Word = T::Word;
+}
 
 unsafe impl<T: WriteTarget> WriteTarget for MaybeUninit<T> {
     type Word = T::Word;