Chore: update Rust version to v1.87 (#93)

* Updated Rust version to v1.87

* Fix lint

Author: mrLSD

Cargo.toml

@@ -8,7 +8,7 @@ members = [
 [workspace.package]
 authors = ["Aurora Labs <hello@aurora.dev>"]
 edition = "2021"
-version = "2.1.0"
+version = "2.1.1"
 description = "Aurora Ethereum Virtual Machine implementation written in pure Rust"
 categories = ["no-std", "compilers", "cryptography::cryptocurrencies"]
 keywords = ["aurora-evm", "evm", "ethereum", "blockchain", "no_std"]

evm/src/core/memory.rs

@@ -36,7 +36,7 @@ impl Memory {
 
     /// Get the length of the current memory range.
     #[must_use]
-    pub fn len(&self) -> usize {
+    pub const fn len(&self) -> usize {
         self.data.len()
     }
 
@@ -48,7 +48,7 @@ impl Memory {
 
     /// Return true if current effective memory range is zero.
     #[must_use]
-    pub fn is_empty(&self) -> bool {
+    pub const fn is_empty(&self) -> bool {
         self.len() == 0
     }
 

evm/src/core/stack.rs

@@ -30,14 +30,14 @@ impl Stack {
     /// Stack length.
     #[inline]
     #[must_use]
-    pub fn len(&self) -> usize {
+    pub const fn len(&self) -> usize {
         self.data.len()
     }
 
     /// Whether the stack is empty.
     #[inline]
     #[must_use]
-    pub fn is_empty(&self) -> bool {
+    pub const fn is_empty(&self) -> bool {
         self.data.is_empty()
     }
 

evm/src/core/valids.rs

@@ -32,14 +32,14 @@ impl Valids {
     /// code bytes.
     #[inline]
     #[must_use]
-    pub fn len(&self) -> usize {
+    pub const fn len(&self) -> usize {
         self.0.len()
     }
 
     /// Returns true if the valids list is empty
     #[inline]
     #[must_use]
-    pub fn is_empty(&self) -> bool {
+    pub const fn is_empty(&self) -> bool {
         self.len() == 0
     }
 

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.86.0"
+channel = "1.87.0"
 components = ["rustfmt", "clippy"]