add Send to batch_get_or_else (#297)

Mossaka · web-flow · commit 73a00ff8410f · 2021-05-31T14:48:25.000+08:00
Signed-off-by: Joe Zhou &lt;jiazho@microsoft.com&gt;
diff --git a/src/transaction/buffer.rs b/src/transaction/buffer.rs
@@ -69,7 +69,7 @@ impl Buffer {
         f: F,
     ) -> Result<impl Iterator<Item = KvPair>>
     where
-        F: FnOnce(Box<dyn Iterator<Item = Key>>) -> Fut,
+        F: FnOnce(Box<dyn Iterator<Item = Key> + Send>) -> Fut,
         Fut: Future<Output = Result<Vec<KvPair>>>,
     {
         let (cached_results, undetermined_keys) = {

Original file line number	Diff line number	Diff line change
`@@ -69,7 +69,7 @@ impl Buffer {`
`69`	`69`	`f: F,`
`70`	`70`	`) -> Result<impl Iterator<Item = KvPair>>`
`71`	`71`	`where`
`72`		`- F: FnOnce(Box<dyn Iterator<Item = Key>>) -> Fut,`
	`72`	`+ F: FnOnce(Box<dyn Iterator<Item = Key> + Send>) -> Fut,`
`73`	`73`	`Fut: Future<Output = Result<Vec<KvPair>>>,`
`74`	`74`	`{`
`75`	`75`	`let (cached_results, undetermined_keys) = {`