From ba19b9a9b57d8090c9224311bb86309d90cc424b Mon Sep 17 00:00:00 2001
From: Quinn Wilton <wilton@synopsys.com>
Date: Wed, 2 Dec 2020 11:43:57 -0800
Subject: Add bool.nand

---
 src/gleam/bool.gleam | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'src')

diff --git a/src/gleam/bool.gleam b/src/gleam/bool.gleam
index 707d295..0aa9939 100644
--- a/src/gleam/bool.gleam
+++ b/src/gleam/bool.gleam
@@ -55,6 +55,31 @@ pub fn nor(a: Bool, b: Bool) -> Bool {
   }
 }
 
+/// Returns the nand of two bools
+///
+/// ## Examples
+///
+///    > nor(False, False)
+///    True
+///
+///    > nor(False, True)
+///    True
+///
+///    > nor(True, False)
+///    True
+///
+///    > nor(True, True)
+///    False
+///
+pub fn nand(a: Bool, b: Bool) -> Bool {
+  case a, b {
+    False, False -> True
+    False, True -> True
+    True, False -> True
+    True, True -> False
+  }
+}
+
 /// Returns the exclusive or of two bools
 ///
 /// ## Examples
-- 
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