Change NoConstructors to newtype Void (#282)

* Change NoConstructors to newtype Void

* Add changelog entry

Author: JordanMartinez

CHANGELOG.md

@@ -6,6 +6,7 @@ Notable changes to this project are documented in this file. The format is based
 
 Breaking changes:
 - Migrated FFI to ES Modules (#287 by @kl0tl and @JordanMartinez)
+- Change Generic Rep's `NoConstructors` to newtype `Void` (#282 by @JordanMartinez)
 
 New features:
 

src/Data/Generic/Rep.purs

@@ -14,10 +14,11 @@ module Data.Generic.Rep
 import Data.Semigroup ((<>))
 import Data.Show (class Show, show)
 import Data.Symbol (class IsSymbol, reflectSymbol)
+import Data.Void (Void)
 import Type.Proxy (Proxy(..))
 
 -- | A representation for types with no constructors.
-data NoConstructors
+newtype NoConstructors = NoConstructors Void
 
 -- | A representation for constructors with no arguments.
 data NoArguments = NoArguments