Added as_slice method - closes #10

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.3.1 (unreleased)
+
+- Added `as_slice` method
+
 ## 0.3.0 (2023-10-17)
 
 - Added `serde` feature

README.md

@@ -259,6 +259,12 @@ Convert a vector to a `Vec<f32>`
 let f32_vec: Vec<f32> = vec.into();
 ```
 
+Get a slice [unreleased]
+
+```rust
+let slice = vec.as_slice();
+```
+
 ## History
 
 View the [changelog](https://github.com/pgvector/pgvector-rust/blob/master/CHANGELOG.md)

src/vector.rs

@@ -34,6 +34,11 @@ impl Vector {
         self.0.clone()
     }
 
+    /// Returns the vector as a slice.
+    pub fn as_slice(&self) -> &[f32] {
+        self.0.as_slice()
+    }
+
     #[cfg(any(feature = "postgres", feature = "sqlx", feature = "diesel"))]
     pub(crate) fn from_sql(buf: &[u8]) -> Result<Vector, Box<dyn std::error::Error + Sync + Send>> {
         let dim = u16::from_be_bytes(buf[0..2].try_into()?) as usize;
@@ -75,6 +80,12 @@ mod tests {
         assert_eq!(vec.to_vec(), vec![1.0, 2.0, 3.0]);
     }
 
+    #[test]
+    fn test_as_slice() {
+        let vec = Vector::from(vec![1.0, 2.0, 3.0]);
+        assert_eq!(vec.as_slice(), &[1.0, 2.0, 3.0]);
+    }
+
     #[cfg(feature = "serde")]
     #[test]
     fn test_serialize() {