Add a missing @discardableResult

Dave Abrahams · Dave Abrahams · commit 4fbed473e26f · 2016-06-08T11:35:16.000-07:00
diff --git a/stdlib/private/StdlibUnittest/StdlibUnittest.swift.gyb b/stdlib/private/StdlibUnittest/StdlibUnittest.swift.gyb
@@ -510,6 +510,7 @@ public func expectEmpty<T>(_ value: T?, ${TRACE}) {
   }
 }
 
+@discardableResult
 public func expectNotEmpty<T>(_ value: T?, ${TRACE}) -> T? {
   if value == nil {
     expectationFailure("expected optional to be non-empty", trace: ${trace})

Original file line number	Diff line number	Diff line change
`@@ -510,6 +510,7 @@ public func expectEmpty<T>(_ value: T?, ${TRACE}) {`
`510`	`510`	`}`
`511`	`511`	`}`
`512`	`512`
	`513`	`+@discardableResult`
`513`	`514`	`public func expectNotEmpty<T>(_ value: T?, ${TRACE}) -> T? {`
`514`	`515`	`if value == nil {`
`515`	`516`	`expectationFailure("expected optional to be non-empty", trace: ${trace})`