Fix build warnings in BuildOperationTester.swift about the return value of withTimeout(timeout:description:) being unused by marking the method with @discardableResult.

mhrawdon · mhrawdon · commit 9a2475741073 · 2025-08-13T12:57:49.000-07:00
rdar://122969153
diff --git a/Sources/SWBTestSupport/Timeout.swift b/Sources/SWBTestSupport/Timeout.swift
@@ -14,7 +14,7 @@ package struct TimeoutError: Error {
     package var description: String?
 }
 
-package func withTimeout<T: Sendable>(
+@discardableResult package func withTimeout<T: Sendable>(
     timeout: Duration,
     description: String? = nil,
     block: sending () async throws -> T

Original file line number	Diff line number	Diff line change
`@@ -14,7 +14,7 @@ package struct TimeoutError: Error {`
`14`	`14`	`package var description: String?`
`15`	`15`	`}`
`16`	`16`
`17`		`-package func withTimeout<T: Sendable>(`
	`17`	`+@discardableResult package func withTimeout<T: Sendable>(`
`18`	`18`	`timeout: Duration,`
`19`	`19`	`description: String? = nil,`
`20`	`20`	`block: sending () async throws -> T`