f No need for format

Author: tnull

src/io/sqlite_store.rs

@@ -138,23 +138,20 @@ impl KVStore for SqliteStore {
 
 		let sql = format!("SELECT key FROM {} WHERE namespace=:namespace", KV_TABLE_NAME);
 		let mut stmt = locked_conn.prepare(&sql).map_err(|_| {
-			let msg = format!("Failed to prepare statement");
-			std::io::Error::new(std::io::ErrorKind::Other, msg)
+			std::io::Error::new(std::io::ErrorKind::Other, "Failed to prepare statement")
 		})?;
 
 		let mut keys = Vec::new();
 
 		let rows_iter = stmt
 			.query_map(named_params! {":namespace": namespace, }, |row| row.get(0))
 			.map_err(|_| {
-				let msg = format!("Failed to retrieve queried rows");
-				std::io::Error::new(std::io::ErrorKind::Other, msg)
+				std::io::Error::new(std::io::ErrorKind::Other, "Failed to retrieve queried rows")
 			})?;
 
 		for k in rows_iter {
 			keys.push(k.map_err(|_| {
-				let msg = format!("Failed to retrieve queried rows");
-				std::io::Error::new(std::io::ErrorKind::Other, msg)
+				std::io::Error::new(std::io::ErrorKind::Other, "Failed to retrieve queried rows")
 			})?);
 		}