make UnsignedByteField helpers const

CHANGELOG.md

@@ -8,6 +8,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 # [unreleased]
 
+## Changed
+
+- `UnsignedByteField` and `GenericUnsignedByteField` `new` methods are `const` now.
+
 # [v0.7.0-beta.0] 2023-08-16
 
 - Moved MSRV from v1.60 to v1.61.

src/util.rs

@@ -123,7 +123,7 @@ pub struct UnsignedByteField {
 }
 
 impl UnsignedByteField {
-    pub fn new(width: usize, value: u64) -> Self {
+    pub const fn new(width: usize, value: u64) -> Self {
         Self { width, value }
     }
 
@@ -204,7 +204,7 @@ pub struct GenericUnsignedByteField<TYPE> {
 }
 
 impl<TYPE> GenericUnsignedByteField<TYPE> {
-    pub fn new(val: TYPE) -> Self {
+    pub const fn new(val: TYPE) -> Self {
         Self { value: val }
     }
 }