From a009d89f6f7c72f1c50f19de539c85258d92dd21 Mon Sep 17 00:00:00 2001
From: gvergnaud <gabriel.vergnaud@gmail.com>
Date: Sat, 14 Dec 2024 19:14:28 -0500
Subject: [PATCH] feat(P.Pattern): support no type param

---
 src/types/Pattern.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/types/Pattern.ts b/src/types/Pattern.ts
index 47e124d3..6fecf1fa 100644
--- a/src/types/Pattern.ts
+++ b/src/types/Pattern.ts
@@ -145,7 +145,9 @@ export type UnknownPattern =
  * @example
  * const pattern: P.Pattern<User> = { name: P.string }
  */
-export type Pattern<a> = unknown extends a ? UnknownPattern : KnownPattern<a>;
+export type Pattern<a = unknown> = unknown extends a
+  ? UnknownPattern
+  : KnownPattern<a>;
 
 type KnownPattern<a> = KnownPatternInternal<a>;