Add ConstGenericArray type alias

Author: novacrazy

Cargo.toml

@@ -28,7 +28,7 @@ serde = ["dep:serde_core"]
 compat-0_14 = ["dep:generic_array-0_14"]
 
 [dependencies]
-typenum = { version = "1.17", features = ["const-generics"] }
+typenum = { version = "1.19", features = ["const-generics"] }
 const-default = { version = "1", optional = true, default-features = false }
 serde_core = { version = "1.0", optional = true, default-features = false }
 zeroize = { version = "1", optional = true, default-features = false }

src/lib.rs

@@ -283,8 +283,19 @@ where
 /// Associated [`ArrayLength`] for one [`Const<N>`]
 ///
 /// See [`IntoArrayLength`] for more information.
+///
+/// Note that not all `N` values are valid due to limitations inherent to `typenum` and Rust. You
+/// may need to combine [Const] with other typenum operations to get the desired length.
 pub type ConstArrayLength<const N: usize> = <Const<N> as IntoArrayLength>::ArrayLength;
 
+/// [`GenericArray`] with a const-generic `usize` length, using the [`ConstArrayLength`] type alias for `N`.
+///
+/// To construct from a literal array, use [`from_array`](GenericArray::from_array).
+///
+/// Note that not all `N` values are valid due to limitations inherent to `typenum` and Rust. You
+/// may need to combine [Const] with other typenum operations to get the desired length.
+pub type ConstGenericArray<T, const N: usize> = GenericArray<T, ConstArrayLength<N>>;
+
 /// Internal type used to generate a struct of appropriate size
 #[allow(dead_code)]
 #[repr(C)]