feat: added borsh serialize

Cargo.toml

@@ -21,6 +21,7 @@ serde = ["dep:serde_core"]
 internals = []
 
 [dependencies]
+borsh = { version = "1.8", optional = true, default-features = false }
 bytes = { version = "1", optional = true, default-features = false }
 serde_core = { version = "1.0.221", optional = true, default-features = false }
 malloc_size_of = { version = "0.1.1", optional = true, default-features = false }

src/borsh.rs

@@ -0,0 +1,15 @@
+use super::SmallVec;
+use borsh::{
+    io::{Result as Serial, Write},
+    BorshSerialize,
+};
+
+impl<Type: BorshSerialize, const INLINE: usize> BorshSerialize for SmallVec<Type, INLINE> {
+    fn serialize<Writer: Write>(&self, writer: &mut Writer) -> Serial<()> {
+        self.len.0.serialize(writer)?;
+        for element in self {
+            element.serialize(writer)?;
+        }
+        return Ok(());
+    }
+}

src/lib.rs

@@ -65,6 +65,8 @@ pub extern crate alloc;
 #[cfg(any(test, feature = "std"))]
 extern crate std;
 
+#[cfg(feature = "borsh")]
+mod borsh;
 mod rawsmallvec;
 #[cfg(test)]
 mod tests;