Mark global var as constant in ConcurrencyHelpers.swift (#7191)

MaxDesiatov · web-flow · commit 7a576ed02ee6 · 2023-12-12T10:52:39.000-08:00
For some reason this global `DispatchQueue.sharedConcurrent` binding was marked as mutable. It should be a constant.
diff --git a/Sources/Basics/Concurrency/ConcurrencyHelpers.swift b/Sources/Basics/Concurrency/ConcurrencyHelpers.swift
@@ -41,7 +41,7 @@ public func temp_await<T>(_ body: (@escaping (T) -> Void) -> Void) -> T {
 
 extension DispatchQueue {
     // a shared concurrent queue for running concurrent asynchronous operations
-    public static var sharedConcurrent = DispatchQueue(
+    public static let sharedConcurrent = DispatchQueue(
         label: "swift.org.swiftpm.shared.concurrent",
         attributes: .concurrent
     )

Original file line number	Diff line number	Diff line change
`@@ -41,7 +41,7 @@ public func temp_await<T>(_ body: (@escaping (T) -> Void) -> Void) -> T {`
`41`	`41`
`42`	`42`	`extension DispatchQueue {`
`43`	`43`	`// a shared concurrent queue for running concurrent asynchronous operations`
`44`		`- public static var sharedConcurrent = DispatchQueue(`
	`44`	`+ public static let sharedConcurrent = DispatchQueue(`
`45`	`45`	`label: "swift.org.swiftpm.shared.concurrent",`
`46`	`46`	`attributes: .concurrent`
`47`	`47`	`)`