Make Digest 'update' method const

.github/workflows/ci.yaml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.65.0
+          - 1.83.0
           - stable
           - beta
     steps:

Cargo.toml

@@ -10,7 +10,7 @@ description = "Rust implementation of CRC with support of various standards"
 keywords = ["crc", "crc16", "crc32", "crc64", "hash"]
 categories = ["algorithms", "no-std"]
 edition = "2021"
-rust-version = "1.65"
+rust-version = "1.83"
 
 [dependencies]
 crc-catalog = "2.4.0"

README.md

@@ -43,7 +43,7 @@ assert_eq!(digest.finalize(), 0xaee7);
 
 ### Minimum supported Rust version (MSRV)
 
-This crate's MSRV is 1.65.
+This crate's MSRV is 1.83.
 
 At a minimum, the MSRV will be <= the oldest stable release in the last 12 months. MSRV may be bumped in minor version releases.
 

src/crc128.rs

@@ -51,7 +51,7 @@ where
         Digest { crc, value }
     }
 
-    pub fn update(&mut self, bytes: &[u8]) {
+    pub const fn update(&mut self, bytes: &[u8]) {
         self.value = self.crc.update(self.value, bytes);
     }
 

src/crc16.rs

@@ -51,7 +51,7 @@ where
         Digest { crc, value }
     }
 
-    pub fn update(&mut self, bytes: &[u8]) {
+    pub const fn update(&mut self, bytes: &[u8]) {
         self.value = self.crc.update(self.value, bytes);
     }
 

src/crc32.rs

@@ -51,7 +51,7 @@ where
         Digest { crc, value }
     }
 
-    pub fn update(&mut self, bytes: &[u8]) {
+    pub const fn update(&mut self, bytes: &[u8]) {
         self.value = self.crc.update(self.value, bytes);
     }
 

src/crc64.rs

@@ -51,7 +51,7 @@ where
         Digest { crc, value }
     }
 
-    pub fn update(&mut self, bytes: &[u8]) {
+    pub const fn update(&mut self, bytes: &[u8]) {
         self.value = self.crc.update(self.value, bytes);
     }
 

src/crc8.rs

@@ -51,7 +51,7 @@ where
         Digest { crc, value }
     }
 
-    pub fn update(&mut self, bytes: &[u8]) {
+    pub const fn update(&mut self, bytes: &[u8]) {
         self.value = self.crc.update(self.value, bytes);
     }