Enable ImplicitUsings (#762)

Directory.Build.props

@@ -8,6 +8,7 @@
     <TargetIsNetFx Condition="$(TargetFramework.StartsWith('net4'))">true</TargetIsNetFx>
     <TargetIsNet5OrNewer Condition="'$(TargetFramework)' == 'net6.0'">true</TargetIsNet5OrNewer>
     <LangVersion>latest</LangVersion>
+    <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
   <PropertyGroup>

src/NSubstitute/Arg.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Linq.Expressions;
 using NSubstitute.Core.Arguments;
 

src/NSubstitute/Callback.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Concurrent;
+using System.Collections.Concurrent;
 using NSubstitute.Callbacks;
 using NSubstitute.Core;
 

src/NSubstitute/Callbacks/ConfiguredCallback.cs

@@ -1,5 +1,4 @@
-using System;
-using NSubstitute.Core;
+using NSubstitute.Core;
 
 // Disable nullability for client API, so it does not affect clients.
 #nullable disable annotations

src/NSubstitute/ClearOptions.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace NSubstitute
+namespace NSubstitute
 {
     [Flags]
     public enum ClearOptions

src/NSubstitute/Compatibility/CompatArg.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Linq.Expressions;
+using System.Linq.Expressions;
 
 // Disable nullability for client API, so it does not affect clients.
 #nullable disable annotations

src/NSubstitute/Core/Argument.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Reflection;
-
-namespace NSubstitute.Core
+namespace NSubstitute.Core
 {
     public class Argument
     {

src/NSubstitute/Core/ArgumentSpecificationDequeue.cs

@@ -1,6 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Reflection;
+using System.Reflection;
 using NSubstitute.Core.Arguments;
 
 namespace NSubstitute.Core

src/NSubstitute/Core/Arguments/AnyArgumentMatcher.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace NSubstitute.Core.Arguments
 {
     public class AnyArgumentMatcher : IArgumentMatcher

src/NSubstitute/Core/Arguments/ArgumentFormatter.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Reflection;
-
-namespace NSubstitute.Core.Arguments
+namespace NSubstitute.Core.Arguments
 {
     public class ArgumentFormatter : IArgumentFormatter
     {

src/NSubstitute/Core/Arguments/ArgumentMatcher.cs

@@ -1,5 +1,3 @@
-using System;
-using System.Diagnostics.CodeAnalysis;
 using NSubstitute.Exceptions;
 
 namespace NSubstitute.Core.Arguments

src/NSubstitute/Core/Arguments/ArgumentSpecification.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace NSubstitute.Core.Arguments
 {
     public class ArgumentSpecification : IArgumentSpecification

src/NSubstitute/Core/Arguments/ArgumentSpecificationCompatibilityTester.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Reflection;
-
-namespace NSubstitute.Core.Arguments
+namespace NSubstitute.Core.Arguments
 {
     public class ArgumentSpecificationCompatibilityTester : IArgumentSpecificationCompatibilityTester
     {

src/NSubstitute/Core/Arguments/ArgumentSpecificationFactory.cs

@@ -1,7 +1,3 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Linq;
 using NSubstitute.Exceptions;
 
 namespace NSubstitute.Core.Arguments

src/NSubstitute/Core/Arguments/ArgumentSpecificationsFactory.cs

@@ -1,6 +1,4 @@
-using System.Collections.Generic;
-using System.Linq;
-using System.Reflection;
+using System.Reflection;
 using NSubstitute.Exceptions;
 
 namespace NSubstitute.Core.Arguments

src/NSubstitute/Core/Arguments/ArrayContentsArgumentMatcher.cs

@@ -1,6 +1,4 @@
 using System.Collections;
-using System.Collections.Generic;
-using System.Linq;
 
 namespace NSubstitute.Core.Arguments
 {

src/NSubstitute/Core/Arguments/DefaultChecker.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-
-namespace NSubstitute.Core.Arguments
+namespace NSubstitute.Core.Arguments
 {
     public class DefaultChecker : IDefaultChecker
     {

src/NSubstitute/Core/Arguments/EqualsArgumentMatcher.cs

@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-
 namespace NSubstitute.Core.Arguments
 {
     public class EqualsArgumentMatcher : IArgumentMatcher

src/NSubstitute/Core/Arguments/ExpressionArgumentMatcher.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Linq.Expressions;
 
 namespace NSubstitute.Core.Arguments

src/NSubstitute/Core/Arguments/IArgumentSpecification.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace NSubstitute.Core.Arguments
 {
     public interface IArgumentSpecification

src/NSubstitute/Core/Arguments/IArgumentSpecificationCompatibilityTester.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace NSubstitute.Core.Arguments
+namespace NSubstitute.Core.Arguments
 {
     public interface IArgumentSpecificationCompatibilityTester
     {

src/NSubstitute/Core/Arguments/IArgumentSpecificationsFactory.cs

@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using System.Reflection;
 
 namespace NSubstitute.Core.Arguments

src/NSubstitute/Core/Arguments/IDefaultChecker.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace NSubstitute.Core.Arguments
+namespace NSubstitute.Core.Arguments
 {
     public interface IDefaultChecker
     {

src/NSubstitute/Core/Arguments/ISuppliedArgumentSpecifications.cs

@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-
 namespace NSubstitute.Core.Arguments
 {
     public interface ISuppliedArgumentSpecifications

src/NSubstitute/Core/Arguments/ISuppliedArgumentSpecificationsFactory.cs

@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-
 namespace NSubstitute.Core.Arguments
 {
     public interface ISuppliedArgumentSpecificationsFactory

src/NSubstitute/Core/Arguments/SuppliedArgumentSpecifications.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-
-namespace NSubstitute.Core.Arguments
+namespace NSubstitute.Core.Arguments
 {
     public class SuppliedArgumentSpecifications : ISuppliedArgumentSpecifications
     {

src/NSubstitute/Core/Arguments/SuppliedArgumentSpecificationsFactory.cs

@@ -1,6 +1,4 @@
-using System.Collections.Generic;
-
-namespace NSubstitute.Core.Arguments
+namespace NSubstitute.Core.Arguments
 {
     public class SuppliedArgumentSpecificationsFactory : ISuppliedArgumentSpecificationsFactory
     {

src/NSubstitute/Core/Call.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Reflection;
-using System.Threading;
 using NSubstitute.Core.Arguments;
 using NSubstitute.Exceptions;
 

src/NSubstitute/Core/CallActions.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Concurrent;
+using System.Collections.Concurrent;
 
 namespace NSubstitute.Core
 {

src/NSubstitute/Core/CallBaseConfiguration.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Concurrent;
+using System.Collections.Concurrent;
 
 namespace NSubstitute.Core
 {

src/NSubstitute/Core/CallCollection.cs

@@ -1,7 +1,5 @@
 using System.Collections.Concurrent;
-using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using System.Linq;
 using NSubstitute.Exceptions;
 
 namespace NSubstitute.Core

src/NSubstitute/Core/CallFactory.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Reflection;
+using System.Reflection;
 using NSubstitute.Core.Arguments;
 
 namespace NSubstitute.Core

src/NSubstitute/Core/CallFormatter.cs

@@ -1,6 +1,4 @@
-using System.Collections.Generic;
-using System.Linq;
-using System.Reflection;
+using System.Reflection;
 
 namespace NSubstitute.Core
 {

src/NSubstitute/Core/CallInfo.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using System.Linq;
 using NSubstitute.Exceptions;
 
 // Disable nullability for entry-point API

src/NSubstitute/Core/CallRouter.cs

@@ -1,5 +1,3 @@
-using System;
-using System.Collections.Generic;
 using NSubstitute.Exceptions;
 using NSubstitute.Routing;
 

src/NSubstitute/Core/CallRouterFactory.cs

@@ -1,4 +1,3 @@
-using System;
 using NSubstitute.Routing;
 
 namespace NSubstitute.Core

src/NSubstitute/Core/CallRouterResolver.cs

@@ -1,5 +1,4 @@
-using System;
-using NSubstitute.Exceptions;
+using NSubstitute.Exceptions;
 
 namespace NSubstitute.Core
 {

src/NSubstitute/Core/CallSpecification.cs

@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Reflection;
 using NSubstitute.Core.Arguments;
 

src/NSubstitute/Core/CallSpecificationFactoryFactoryYesThatsRight.cs

@@ -1,5 +1,4 @@
-using System;
-using NSubstitute.Core.DependencyInjection;
+using NSubstitute.Core.DependencyInjection;
 
 namespace NSubstitute.Core
 {

src/NSubstitute/Core/ConfiguredCall.cs

@@ -1,6 +1,4 @@
-using System;
-
-// Disable nullability for entry-point API
+// Disable nullability for entry-point API
 #nullable disable annotations
 
 namespace NSubstitute.Core

src/NSubstitute/Core/CustomHandlers.cs

@@ -1,6 +1,4 @@
-using System.Collections.Generic;
-
-namespace NSubstitute.Core
+namespace NSubstitute.Core
 {
     public class CustomHandlers : ICustomHandlers
     {

src/NSubstitute/Core/DefaultForType.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Reflection;
+using System.Reflection;
 
 namespace NSubstitute.Core
 {

src/NSubstitute/Core/DependencyInjection/INSubContainer.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace NSubstitute.Core.DependencyInjection
 {
     public interface INSubResolver

src/NSubstitute/Core/DependencyInjection/NSubContainer.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using System.Linq;
-using System.Reflection;
 
 namespace NSubstitute.Core.DependencyInjection
 {

src/NSubstitute/Core/EventCallFormatter.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Reflection;
+using System.Reflection;
 
 namespace NSubstitute.Core
 {

src/NSubstitute/Core/EventHandlerRegistry.cs

@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-
 namespace NSubstitute.Core
 {
     public class EventHandlerRegistry : IEventHandlerRegistry

src/NSubstitute/Core/Events/DelegateEventWrapper.cs

@@ -1,5 +1,3 @@
-using System;
-using System.Linq;
 using System.Reflection;
 
 namespace NSubstitute.Core.Events

src/NSubstitute/Core/Events/EventHandlerWrapper.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace NSubstitute.Core.Events
 {
     public class EventHandlerWrapper<TEventArgs> : RaiseEventWrapper where TEventArgs : EventArgs

src/NSubstitute/Core/Events/RaiseEventWrapper.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Reflection;
 using NSubstitute.Exceptions;
 

src/NSubstitute/Core/Extensions.cs

@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Reflection;
 using System.Text;
 using NSubstitute.Exceptions;

src/NSubstitute/Core/GetCallSpec.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace NSubstitute.Core
+namespace NSubstitute.Core
 {
     public class GetCallSpec : IGetCallSpec
     {

src/NSubstitute/Core/IArgumentSpecificationDequeue.cs

@@ -1,6 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Reflection;
+using System.Reflection;
 using NSubstitute.Core.Arguments;
 
 namespace NSubstitute.Core

src/NSubstitute/Core/ICall.cs

@@ -1,5 +1,3 @@
-using System;
-using System.Collections.Generic;
 using System.Reflection;
 using NSubstitute.Core.Arguments;
 

src/NSubstitute/Core/ICallActions.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace NSubstitute.Core
 {
     public interface ICallActions

src/NSubstitute/Core/ICallCollection.cs

@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-
 namespace NSubstitute.Core
 {
     public interface ICallCollection