Unzurry (#15)

* Unzurry

And some general cleanup

* fix

Author: stephencelis

Sources/Overture/Zurry.swift

@@ -6,3 +6,19 @@
 public func zurry<A>(_ function: @escaping () throws -> A) rethrows -> A {
   return try function()
 }
+
+/// Wraps a value in a function.
+///
+/// - Parameter value: A value.
+/// - Returns: A wrapper function.
+public func unzurry<A>(_ value: @autoclosure @escaping () -> A) -> () -> A {
+  return value
+}
+
+/// A throwing variant of `unzurry`.
+///
+/// - Parameter value: A value.
+/// - Returns: A wrapper function.
+public func unzurry<A>(_ value: @autoclosure @escaping () throws -> A) -> () throws -> A {
+  return value
+}