graph: Introduce a StoreResult

Author: lutter

graph/src/components/store/err.rs

@@ -7,6 +7,8 @@ use diesel::result::Error as DieselError;
 use thiserror::Error;
 use tokio::task::JoinError;
 
+pub type StoreResult<T> = Result<T, StoreError>;
+
 #[derive(Error, Debug)]
 pub enum StoreError {
     #[error("store error: {0:#}")]

graph/src/components/store/mod.rs

@@ -12,7 +12,7 @@ pub use entity_cache::{EntityCache, EntityLfuCache, GetScope, ModificationsAndCa
 use slog::Logger;
 
 pub use super::subgraph::Entity;
-pub use err::StoreError;
+pub use err::{StoreError, StoreResult};
 use itertools::Itertools;
 use strum_macros::Display;
 pub use traits::*;