Annotate global queue availability correctly.

DeclarativeHub · Mar 26, 2017 · 6ce6773 · 6ce6773
1 parent aa76673
commit 6ce6773
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/Sources/ExecutionContext.swift b/Sources/ExecutionContext.swift
@@ -70,6 +70,7 @@ public struct ExecutionContext {
   }
 
   /// Execution context bound to global dispatch queue.
+  @available(macOS 10.10, *)
   public static func global(qos: DispatchQoS.QoSClass = .default) -> ExecutionContext {
     return DispatchQueue.global(qos: qos).context
   }