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must_use annotations on DbTxn

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Luke Parker 2023-04-14 15:04:26 -04:00
parent 695d923593
commit c032f66f8a
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common/db/src/lib.rs
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@ -10,6 +10,7 @@ pub trait Get: Send + Sync + Debug {
} }
/// An atomic database operation. /// An atomic database operation.
#[must_use]
pub trait DbTxn: Send + Sync + Debug + Get { pub trait DbTxn: Send + Sync + Debug + Get {
fn put(&mut self, key: impl AsRef<[u8]>, value: impl AsRef<[u8]>); fn put(&mut self, key: impl AsRef<[u8]>, value: impl AsRef<[u8]>);
fn del(&mut self, key: impl AsRef<[u8]>); fn del(&mut self, key: impl AsRef<[u8]>);
@ -29,6 +30,7 @@ pub trait Db: 'static + Send + Sync + Clone + Debug + Get {
/// An atomic operation for the in-memory databae. /// An atomic operation for the in-memory databae.
#[derive(Debug)] #[derive(Debug)]
#[must_use]
pub struct MemDbTxn<'a>(&'a MemDb, HashMap<Vec<u8>, Vec<u8>>, HashSet<Vec<u8>>); pub struct MemDbTxn<'a>(&'a MemDb, HashMap<Vec<u8>, Vec<u8>>, HashSet<Vec<u8>>);
impl<'a> Get for MemDbTxn<'a> { impl<'a> Get for MemDbTxn<'a> {