Make request/response parts conditionally sendable (grpc#1523)

glbrntt · WendellXY · commit 6ce7249a7745 · 2023-08-24T16:21:46.000+08:00
Motivation:

The request/response parts are conditionally sendable based on their
request/response payload. They are not currently marked as such which
causes warnings in tests.

Modifications:

- Add conditional sendable conformance to request/response parts

Results:

Fewer warnings.
diff --git a/Sources/GRPC/Interceptor/MessageParts.swift b/Sources/GRPC/Interceptor/MessageParts.swift
@@ -99,3 +99,10 @@ extension GRPCServerResponsePart {
     }
   }
 }
+
+#if swift(>=5.6)
+extension GRPCClientRequestPart: Sendable where Request: Sendable {}
+extension GRPCClientResponsePart: Sendable where Response: Sendable {}
+extension GRPCServerRequestPart: Sendable where Request: Sendable {}
+extension GRPCServerResponsePart: Sendable where Response: Sendable {}
+#endif

Original file line number	Diff line number	Diff line change
`@@ -99,3 +99,10 @@ extension GRPCServerResponsePart {`
`99`	`99`	`}`
`100`	`100`	`}`
`101`	`101`	`}`
	`102`	`+`
	`103`	`+#if swift(>=5.6)`
	`104`	`+extension GRPCClientRequestPart: Sendable where Request: Sendable {}`
	`105`	`+extension GRPCClientResponsePart: Sendable where Response: Sendable {}`
	`106`	`+extension GRPCServerRequestPart: Sendable where Request: Sendable {}`
	`107`	`+extension GRPCServerResponsePart: Sendable where Response: Sendable {}`
	`108`	`+#endif`