Use expression bodies

Author: nemanjarogic

src/AdditionalPatterns/EventAggregator/StoreManagement/Components/EventAggregator.cs

@@ -46,20 +46,16 @@ public void Publish(IEvent @event)
     /// </summary>
     /// <param name="observer">The subscriber.</param>
     /// <returns>An unsubscriber to allow unsubscribing from events.</returns>
-    public IDisposable Subscribe(IObserver<IEvent> observer)
-    {
-        return SubscribeToAllEvents(observer);
-    }
+    public IDisposable Subscribe(IObserver<IEvent> observer) =>
+        SubscribeToAllEvents(observer);
 
     /// <summary>
     /// Subscribe to all events.
     /// </summary>
     /// <param name="observer">The subscriber.</param>
     /// <returns>An unsubscriber to allow unsubscribing from events.</returns>
-    public IDisposable Subscribe(ICustomObserver<IEvent> observer)
-    {
-        return SubscribeToAllEvents(observer);
-    }
+    public IDisposable Subscribe(ICustomObserver<IEvent> observer) =>
+        SubscribeToAllEvents(observer);
 
     /// <summary>
     /// Subscribe to a specific event type.
@@ -78,10 +74,8 @@ public IDisposable Subscribe<T>(ICustomObserver<T> newObserver)
         return SubscribeAndSendEvents(observers, newObserver, _events.Where(evt => evt is T));
     }
 
-    private IDisposable SubscribeToAllEvents(IObserver<IEvent> newObserver)
-    {
-        return SubscribeAndSendEvents(_observers, newObserver, _events);
-    }
+    private IDisposable SubscribeToAllEvents(IObserver<IEvent> newObserver) =>
+        SubscribeAndSendEvents(_observers, newObserver, _events);
 
     private IDisposable SubscribeAndSendEvents(
         List<IObserver<IEvent>> currentObservers,

src/AdditionalPatterns/EventAggregator/StoreManagement/Components/Publishers/OrderPublisher.cs

@@ -12,8 +12,6 @@ public OrderPublisher(IEventAggregator eventAggregator)
         _eventAggregator = eventAggregator;
     }
 
-    public void Publish(string payload)
-    {
+    public void Publish(string payload) =>
         _eventAggregator.Publish(new OrderCreatedEvent(payload));
-    }
-}
+}

src/AdditionalPatterns/EventAggregator/StoreManagement/Components/Publishers/WarehousePublisher.cs

@@ -12,8 +12,6 @@ public WarehousePublisher(IEventAggregator eventAggregator)
         _eventAggregator = eventAggregator;
     }
 
-    public void Publish(string payload)
-    {
+    public void Publish(string payload) =>
         _eventAggregator.Publish(new WarehouseReceivedNewSuppliesEvent(payload));
-    }
-}
+}

src/AdditionalPatterns/EventAggregator/StoreManagement/Components/Subscribers/BusinessTrackingSubscriber.cs

@@ -22,20 +22,14 @@ public void OnNext(IEvent @event)
         Console.WriteLine($"{GetType().Name}: event record is available for various reports.");
     }
 
-    public void OnCompleted()
-    {
+    public void OnCompleted() =>
         Console.WriteLine($"{GetType().Name}: finished event processing.");
-    }
 
-    public void OnError(Exception error)
-    {
+    public void OnError(Exception error) =>
         Console.WriteLine($"{GetType().Name}: experienced error condition.");
-    }
 
-    public void Unsubscribe()
-    {
+    public void Unsubscribe() =>
         // If subscribe method needs to be called multiple times unsubscribe
         // mechanism must be changed in order to support such functionality.
         _unsubscriber.Dispose();
-    }
-}
+}

src/AdditionalPatterns/EventAggregator/StoreManagement/Components/Subscribers/OrderSubscriber.cs

@@ -17,23 +17,15 @@ public OrderSubscriber(IEventAggregator eventAggregator)
         _unsubscriber = _eventAggregator.Subscribe(this);
     }
 
-    public void OnNext(IEvent @event)
-    {
+    public void OnNext(IEvent @event) =>
         Console.WriteLine($"{GetType().Name}: processing event with description '{@event.Description}'.");
-    }
 
-    public void OnCompleted()
-    {
+    public void OnCompleted() =>
         Console.WriteLine($"{GetType().Name}: finished event processing.");
-    }
 
-    public void OnError(Exception error)
-    {
+    public void OnError(Exception error) =>
         Console.WriteLine($"{GetType().Name}: experienced error condition.");
-    }
 
-    public void Unsubscribe()
-    {
+    public void Unsubscribe() =>
         _unsubscriber.Dispose();
-    }
-}
+}

src/AdditionalPatterns/EventAggregator/StoreManagement/Contracts/ICustomObserver.cs

@@ -4,4 +4,4 @@ public interface ICustomObserver<T> : IObserver<IEvent>
     where T : IEvent
 {
     void Unsubscribe();
-}
+}

src/AdditionalPatterns/EventAggregator/StoreManagement/Contracts/IEvent.cs

@@ -3,4 +3,4 @@
 public interface IEvent
 {
     public string Description { get; set; }
-}
+}

src/AdditionalPatterns/EventAggregator/StoreManagement/Contracts/IEventAggregator.cs

@@ -8,4 +8,4 @@ public interface IEventAggregator : IObservable<IEvent>
 
     IDisposable Subscribe<T>(ICustomObserver<T> observer)
         where T : IEvent;
-}
+}

src/AdditionalPatterns/EventAggregator/StoreManagement/Contracts/IPublisher.cs

@@ -3,4 +3,4 @@
 public interface IPublisher
 {
     void Publish(string payload);
-}
+}

src/AdditionalPatterns/Interpreter/InterpreterLibrary/SandwichExample/Expressions/Terminal/Breads/WheatBread.cs

@@ -4,8 +4,6 @@ namespace InterpreterLibrary.SandwichExample.Expressions.Terminal.Breads;
 
 public class WheatBread : IBread
 {
-    public void Interpret(Context context)
-    {
+    public void Interpret(Context context) =>
         context.Output += " Wheat-Bread ";
-    }
-}
+}