Added Null Checked IToggleState Extension and Added Some Documentation

IToggleState.cs

@@ -4,7 +4,12 @@ namespace Syntriax.Modules.ToggleState
 {
     public interface IToggleState
     {
-        bool Toggled { get; set; }
+        bool IsToggled { get; set; }
+
+        /// <summary>
+        /// Called everytime the IsToggled field is changed
+        /// </summary>
+        /// <value>The new value of IsToggled</value>
         Action<bool> OnToggleStateChanged { get; set; }
     }
 }

IToggleStateExtensions.cs

@@ -0,0 +1,14 @@
+namespace Syntriax.Modules.ToggleState
+{
+    public static class IToggleStateExtensions
+    {
+        /// <summary>
+        /// Checks if the provided parameter IToggleState is toggled, if the parameter is null returns the nullValue parameter
+        /// </summary>
+        /// <param name="toggleState">IToggleState to be checked if toggled or not</param>
+        /// <param name="nullValue">The value that will be returned if toggleState is null. Default value: true</param>
+        /// <returns>IToggleState's toggle value, or if null return nullValue parameter</returns>
+        public static bool IsToggledNullChecked(this IToggleState toggleState, bool nullValue = true)
+            => toggleState == null ? nullValue : toggleState.IsToggled;
+    }
+}

IToggleStateExtensions.cs.meta

@@ -0,0 +1,11 @@
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+  serializedVersion: 2
+  defaultReferences: []
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ToggleStateMember.cs

@@ -4,15 +4,15 @@ namespace Syntriax.Modules.ToggleState
 {
     public class ToggleStateMember : IToggleState
     {
-        private bool _toggled = true;
+        private bool _isToggled = true;
-        public bool Toggled
+        public bool IsToggled
         {
-            get => _toggled;
+            get => _isToggled;
             set
             {
-                bool oldValue = _toggled;
+                bool oldValue = _isToggled;
 
-                _toggled = value;
+                _isToggled = value;
 
                 if (oldValue = !value)
                     OnToggleStateChanged?.Invoke(value);

ToggleStateMonobehaviour.cs

@@ -5,15 +5,15 @@ namespace Syntriax.Modules.ToggleState
 {
     public class ToggleStateMonobehaviour : MonoBehaviour, IToggleState
     {
-        private bool _toggled = true;
+        private bool _isToggled = true;
-        public bool Toggled
+        public bool IsToggled
         {
-            get => _toggled;
+            get => _isToggled;
             set
             {
-                bool oldValue = _toggled;
+                bool oldValue = _isToggled;
 
-                _toggled = value;
+                _isToggled = value;
 
                 if (oldValue = !value)
                     OnToggleStateChanged?.Invoke(value);