range func

sub/core/src/data.rs

@@ -1,6 +1,6 @@
+use crate::cast_traits::As;
 use core::cmp::Ordering;
 use core::mem::MaybeUninit;
-use crate::cast_traits::As;
 
 /// Converts reference of struct to binary slice
 #[inline(always)]
@@ -16,7 +16,6 @@ pub unsafe fn slicify_mut<T>(value: &mut T) -> &mut [u8] {
     core::slice::from_raw_parts_mut(ptr, core::mem::size_of::<T>())
 }
 
-
 /// converts a non mutable reference into a mutable one
 #[inline(always)]
 pub unsafe fn mutify<T>(nr: &T) -> &mut T {
@@ -46,7 +45,20 @@ pub fn distance(p1: impl As<usize>, p2: impl As<usize>) -> usize {
     }
 }
 
+/// Utility function to create ranges from the start + length
+pub fn range<T: core::ops::Add<Output=T> + Copy>(
+    start: impl As<T>,
+    len: impl As<T>
+) -> core::ops::Range<T> {
+    let s = start.cast();
+    let l = len.cast();
+    s..s + l
+}
+
+
 pub unsafe trait Zeroed: Sized {
     #[inline(always)]
-    fn zeroed() -> Self { unsafe { core::mem::zeroed() } }
+    fn zeroed() -> Self {
+        unsafe { core::mem::zeroed() }
+    }
 }

sub/core/src/lib.rs

@@ -40,6 +40,7 @@ pub mod prelude {
         slicify_mut,
         statify,
         statify_mut,
+        range,
         Zeroed
     };
     pub use crate::arrays::{