From 19d371e8ea2400de8fc882b4f4caf40c7627c472 Mon Sep 17 00:00:00 2001
From: 5elenay <5elenay@protonmail.com>
Date: Thu, 26 Aug 2021 17:07:08 +0300
Subject: [PATCH] added remove function for permissions.

---
 permissions.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/permissions.go b/permissions.go
index 3285424..3e89070 100644
--- a/permissions.go
+++ b/permissions.go
@@ -74,6 +74,17 @@ func (p *Permissions) Add(perms ...string) *Permissions {
 	return p
 }
 
+// Remove permission(s).
+func (p *Permissions) Remove(perms ...string) *Permissions {
+	for _, perm := range perms {
+		if value, ok := p.Permissions[perm]; ok {
+			p.Bitvise = p.Bitvise - value
+		}
+	}
+
+	return p
+}
+
 // Calculate perms and return unsigned int.
 func (p Permissions) Calculate(perms ...string) uint {
 	var total uint