Add Task/ValueTask boolean static values

Author: abelbraaksma

src/FSharp.Control.TaskSeq/Utils.fs

@@ -42,6 +42,8 @@ module ValueTask =
 
 
 module Task =
+    let False = Task.FromResult false
+    let True = Task.FromResult true
     let inline fromResult (value: 'U) : Task<'U> = Task.FromResult value
     let inline ofAsync (async: Async<'T>) = task { return! async }
     let inline ofTask (task': Task) = task { do! task' }

src/FSharp.Control.TaskSeq/Utils.fsi

@@ -49,6 +49,11 @@ module ValueTask =
     val inline ignore: vtask: ValueTask<'T> -> ValueTask
 
 module Task =
+    /// A successfully completed Task of boolean that has the value false.
+    val False: Task<bool>
+
+    /// A successfully completed Task of boolean that has the value true.
+    val True: Task<bool>
 
     /// Convert an Async<'T> into a Task<'T>
     val inline ofAsync: async: Async<'T> -> Task<'T>