Meziantou.Analyzer 2.0.1

Prefix Reserved

There is a newer version of this package available.
See the version list below for details.

dotnet add package Meziantou.Analyzer --version 2.0.1

NuGet\Install-Package Meziantou.Analyzer -Version 2.0.1

This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.

<PackageReference Include="Meziantou.Analyzer" Version="2.0.1">
  <PrivateAssets>all</PrivateAssets>
  <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
</PackageReference>

For projects that support PackageReference, copy this XML node into the project file to reference the package.

paket add Meziantou.Analyzer --version 2.0.1

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

#r "nuget: Meziantou.Analyzer, 2.0.1"

#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.

// Install Meziantou.Analyzer as a Cake Addin
#addin nuget:?package=Meziantou.Analyzer&version=2.0.1

// Install Meziantou.Analyzer as a Cake Tool
#tool nuget:?package=Meziantou.Analyzer&version=2.0.1

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Meziantou.Analyzer

A Roslyn analyzer to enforce some good practices in C# in terms of design, usage, security, performance, and style.

Installation

Install the NuGet package https://www.nuget.org/packages/Meziantou.Analyzer/

Rules

If you are already using other analyzers, you can check which rules are duplicated with well-known analyzers

Id	Category	Description	Severity	Is enabled	Code fix
MA0001	Usage	StringComparison is missing	ℹ️	✔️	✔️
MA0002	Usage	IEqualityComparer<string> or IComparer<string> is missing	⚠️	✔️	✔️
MA0003	Style	Add parameter name to improve readability	ℹ️	✔️	✔️
MA0004	Usage	Use Task.ConfigureAwait(false)	⚠️	✔️	✔️
MA0005	Performance	Use Array.Empty<T>()	⚠️	✔️	✔️
MA0006	Usage	Use String.Equals instead of equality operator	⚠️	✔️	✔️
MA0007	Style	Add a comma after the last value	ℹ️	✔️	✔️
MA0008	Performance	Add StructLayoutAttribute	⚠️	✔️	✔️
MA0009	Security	Add regex evaluation timeout	⚠️	✔️	❌
MA0010	Design	Mark attributes with AttributeUsageAttribute	⚠️	✔️	✔️
MA0011	Usage	IFormatProvider is missing	⚠️	✔️	❌
MA0012	Design	Do not raise reserved exception type	⚠️	✔️	❌
MA0013	Design	Types should not extend System.ApplicationException	⚠️	✔️	❌
MA0014	Design	Do not raise System.ApplicationException type	⚠️	✔️	❌
MA0015	Usage	Specify the parameter name in ArgumentException	⚠️	✔️	❌
MA0016	Design	Prefer returning collection abstraction instead of implementation	⚠️	✔️	❌
MA0017	Design	Abstract types should not have public or internal constructors	⚠️	✔️	✔️
MA0018	Design	Do not declare static members on generic types	⚠️	✔️	❌
MA0019	Usage	Use EventArgs.Empty	⚠️	✔️	✔️
MA0020	Performance	Use direct methods instead of LINQ methods	ℹ️	✔️	✔️
MA0021	Usage	Use StringComparer.GetHashCode instead of string.GetHashCode	⚠️	✔️	✔️
MA0022	Design	Return Task.FromResult instead of returning null	⚠️	✔️	✔️
MA0023	Performance	Add RegexOptions.ExplicitCapture	⚠️	✔️	❌
MA0024	Usage	Use an explicit StringComparer when possible	⚠️	✔️	✔️
MA0025	Design	Implement the functionality instead of throwing NotImplementedException	⚠️	✔️	❌
MA0026	Design	Fix TODO comment	⚠️	✔️	❌
MA0027	Usage	Prefer rethrowing an exception implicitly	⚠️	✔️	✔️
MA0028	Performance	Optimize StringBuilder usage	ℹ️	✔️	✔️
MA0029	Performance	Combine LINQ methods	ℹ️	✔️	✔️
MA0030	Performance	Remove useless OrderBy call	⚠️	✔️	✔️
MA0031	Performance	Optimize Enumerable.Count() usage	ℹ️	✔️	✔️
MA0032	Usage	Use an overload with a CancellationToken argument	ℹ️	❌	❌
MA0033	Design	Do not tag instance fields with ThreadStaticAttribute	⚠️	✔️	❌
MA0035	Usage	Do not use dangerous threading methods	⚠️	✔️	❌
MA0036	Design	Make class static	ℹ️	✔️	✔️
MA0037	Usage	Remove empty statement	❌	✔️	✔️
MA0038	Design	Make method static	ℹ️	✔️	✔️
MA0039	Security	Do not write your own certificate validation method	❌	✔️	❌
MA0040	Usage	Forward the CancellationToken parameter to methods that take one	ℹ️	✔️	✔️
MA0041	Design	Make property static	ℹ️	✔️	✔️
MA0042	Design	Do not use blocking calls in an async method	ℹ️	✔️	✔️
MA0043	Usage	Use nameof operator in ArgumentException	ℹ️	✔️	✔️
MA0044	Performance	Remove useless ToString call	ℹ️	✔️	✔️
MA0045	Design	Do not use blocking calls in a sync method (need to make calling method async)	ℹ️	❌	✔️
MA0046	Design	Use EventHandler<T> to declare events	⚠️	✔️	❌
MA0047	Design	Declare types in namespaces	⚠️	✔️	❌
MA0048	Design	File name must match type name	⚠️	✔️	❌
MA0049	Design	Type name should not match containing namespace	❌	✔️	❌
MA0050	Design	Validate arguments correctly in iterator methods	ℹ️	✔️	✔️
MA0051	Design	Method is too long	⚠️	✔️	❌
MA0052	Performance	Replace constant Enum.ToString with nameof	ℹ️	✔️	✔️
MA0053	Design	Make class sealed	ℹ️	✔️	✔️
MA0054	Design	Embed the caught exception as innerException	⚠️	✔️	❌
MA0055	Design	Do not use finalizer	⚠️	✔️	❌
MA0056	Design	Do not call overridable members in constructor	⚠️	✔️	❌
MA0057	Naming	Class name should end with 'Attribute'	ℹ️	✔️	❌
MA0058	Naming	Class name should end with 'Exception'	ℹ️	✔️	❌
MA0059	Naming	Class name should end with 'EventArgs'	ℹ️	✔️	❌
MA0060	Design	The value returned by Stream.Read/Stream.ReadAsync is not used	⚠️	✔️	❌
MA0061	Design	Method overrides should not change default values	⚠️	✔️	✔️
MA0062	Design	Non-flags enums should not be marked with "FlagsAttribute"	⚠️	✔️	❌
MA0063	Performance	Use Where before OrderBy	ℹ️	✔️	❌
MA0064	Design	Avoid locking on publicly accessible instance	⚠️	✔️	❌
MA0065	Performance	Default ValueType.Equals or HashCode is used for struct equality	⚠️	✔️	❌
MA0066	Performance	Hash table unfriendly type is used in a hash table	⚠️	✔️	❌
MA0067	Design	Use Guid.Empty	ℹ️	✔️	✔️
MA0068	Design	Invalid parameter name for nullable attribute	⚠️	✔️	❌
MA0069	Design	Non-constant static fields should not be visible	⚠️	✔️	❌
MA0070	Design	Obsolete attributes should include explanations	⚠️	✔️	❌
MA0071	Style	Avoid using redundant else	ℹ️	✔️	✔️
MA0072	Design	Do not throw from a finally block	⚠️	✔️	❌
MA0073	Style	Avoid comparison with bool constant	ℹ️	✔️	✔️
MA0074	Usage	Avoid implicit culture-sensitive methods	⚠️	✔️	✔️
MA0075	Design	Do not use implicit culture-sensitive ToString	ℹ️	✔️	❌
MA0076	Design	Do not use implicit culture-sensitive ToString in interpolated strings	ℹ️	✔️	❌
MA0077	Design	A class that provides Equals(T) should implement IEquatable<T>	⚠️	✔️	✔️
MA0078	Performance	Use 'Cast' instead of 'Select' to cast	ℹ️	✔️	✔️
MA0079	Usage	Forward the CancellationToken using .WithCancellation()	ℹ️	✔️	✔️
MA0080	Usage	Use a cancellation token using .WithCancellation()	ℹ️	❌	❌
MA0081	Design	Method overrides should not omit params keyword	⚠️	✔️	✔️
MA0082	Design	NaN should not be used in comparisons	⚠️	✔️	❌
MA0083	Design	ConstructorArgument parameters should exist in constructors	⚠️	✔️	❌
MA0084	Design	Local variables should not hide other symbols	⚠️	✔️	❌
MA0085	Usage	Anonymous delegates should not be used to unsubscribe from Events	⚠️	✔️	❌
MA0086	Design	Do not throw from a finalizer	⚠️	✔️	❌
MA0087	Design	Parameters with [DefaultParameterValue] attributes should also be marked [Optional]	⚠️	✔️	❌
MA0088	Design	Use [DefaultParameterValue] instead of [DefaultValue]	⚠️	✔️	❌
MA0089	Performance	Optimize string method usage	ℹ️	✔️	❌
MA0090	Design	Remove empty else/finally block	ℹ️	✔️	❌
MA0091	Usage	Sender should be 'this' for instance events	⚠️	✔️	✔️
MA0092	Usage	Sender should be 'null' for static events	⚠️	✔️	❌
MA0093	Usage	EventArgs should not be null	⚠️	✔️	✔️
MA0094	Design	A class that provides CompareTo(T) should implement IComparable<T>	⚠️	✔️	❌
MA0095	Design	A class that implements IEquatable<T> should override Equals(object)	⚠️	✔️	❌
MA0096	Design	A class that implements IComparable<T> should also implement IEquatable<T>	⚠️	✔️	❌
MA0097	Design	A class that implements IComparable<T> or IComparable should override comparison operators	⚠️	✔️	❌
MA0098	Performance	Use indexer instead of LINQ methods	ℹ️	✔️	✔️
MA0099	Usage	Use Explicit enum value instead of 0	⚠️	✔️	❌
MA0100	Usage	Await task before disposing of resources	⚠️	✔️	❌
MA0101	Usage	String contains an implicit end of line character	👻	✔️	✔️
MA0102	Design	Make member readonly	ℹ️	✔️	✔️
MA0103	Usage	Use SequenceEqual instead of equality operator	⚠️	✔️	✔️
MA0104	Design	Do not create a type with a name from the BCL	⚠️	❌	❌
MA0105	Performance	Use the lambda parameters instead of using a closure	ℹ️	✔️	❌
MA0106	Performance	Avoid closure by using an overload with the 'factoryArgument' parameter	ℹ️	✔️	❌
MA0107	Design	Do not use culture-sensitive object.ToString	ℹ️	❌	❌
MA0108	Usage	Remove redundant argument value	ℹ️	✔️	✔️
MA0109	Design	Consider adding an overload with a Span<T> or Memory<T>	ℹ️	❌	❌
MA0110	Performance	Use the Regex source generator	ℹ️	✔️	✔️
MA0111	Performance	Use string.Create instead of FormattableString	ℹ️	✔️	✔️
MA0112	Performance	Use 'Count > 0' instead of 'Any()'	ℹ️	❌	❌
MA0113	Design	Use DateTime.UnixEpoch	ℹ️	✔️	✔️
MA0114	Design	Use DateTimeOffset.UnixEpoch	ℹ️	✔️	✔️
MA0115	Usage	Unknown component parameter	⚠️	✔️	❌
MA0116	Design	Parameters with [SupplyParameterFromQuery] attributes should also be marked as [Parameter]	⚠️	✔️	✔️
MA0117	Design	Parameters with [EditorRequired] attributes should also be marked as [Parameter]	⚠️	✔️	✔️
MA0118	Design	[JSInvokable] methods must be public	⚠️	✔️	❌
MA0119	Design	JSRuntime must not be used in OnInitialized or OnInitializedAsync	⚠️	✔️	❌
MA0120	Performance	Use InvokeVoidAsync when the returned value is not used	ℹ️	✔️	✔️
MA0121	Design	Do not overwrite parameter value	ℹ️	❌	❌
MA0122	Design	Parameters with [SupplyParameterFromQuery] attributes are only valid in routable components (@page)	ℹ️	✔️	❌
MA0123	Design	Sequence number must be a constant	⚠️	✔️	❌

There are no supported framework assets in this package.

Learn more about Target Frameworks and .NET Standard.

.NETStandard 2.0
- No dependencies.

NuGet packages (7)

Showing the top 5 NuGet packages that depend on Meziantou.Analyzer:

Package	Downloads
TIKSN-Framework This is a .NET Framework enhancement framework. Main features are Versioning, Finance, Currency, Foreign Exchange, Money, Pricing strategy, Telemetry, Composite Weighted Progress, Repository and Unity of Wok pattern implementation with Entity Framework Core, Network Connectivity Service and Triggering, Settings, Windows Registry configuration source, Azure Storage Repository, MongoDB Repository, NoDB Repository, Lingual and Regional Localization, Serialization, Rest Requester, Rest Repository, Dependency Injection, Composition Root Setup base classes.	2.6M
Meziantou.DotNet.CodingStandard A package to configure .NET coding style and static analysis	94.6K
Lombiq.Analyzers Lombiq .NET Analyzers: .NET code analyzers and code convention settings for general .NET projects. See the project website for detailed documentation.	69.4K
Aksio.Defaults Package Description	47.4K
Aksio.Defaults.Specs Package Description	30.8K

GitHub repositories (34)

Showing the top 5 popular GitHub repositories that depend on Meziantou.Analyzer:

Repository	Stars
sebastienros/jint Javascript Interpreter for .NET	4.1K
sshnet/SSH.NET SSH.NET is a Secure Shell (SSH) library for .NET, optimized for parallelism.	4.0K
fluentassertions/fluentassertions A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, as well as .NET Core 2.1, .NET Core 3.0, .NET 6, .NET Standard 2.0 and 2.1. Supports the unit test frameworks MSTest2, NUnit3, XUnit2, MSpec, and NSpec3.	3.8K
TelegramBots/Telegram.Bot .NET Client for Telegram Bot API	3.2K
linq2db/linq2db Linq to database provider.	3.0K