csharpessentials-meta

name	csharpessentials-meta
description	Use when deciding which CSharpEssentials package to use — overview of all 20 packages organized by concern, the meta-package that bundles core functional modules, and a quick-reference table mapping problems to packages.

CSharpEssentials — Package Index

CSharpEssentials is a modular .NET NuGet ecosystem. Each package is independent — take only what you need.

Meta-Package (core functional modules)

dotnet add package CSharpEssentials
# Includes: Results, Errors, Maybe, Any, Core, Enums

All Packages

Functional Core

Package	Install	Skill
CSharpEssentials.Results	dotnet add package CSharpEssentials.Results	csharpessentials-results
CSharpEssentials.Errors	dotnet add package CSharpEssentials.Errors	csharpessentials-errors
CSharpEssentials.Maybe	dotnet add package CSharpEssentials.Maybe	csharpessentials-maybe
CSharpEssentials.Any	dotnet add package CSharpEssentials.Any	csharpessentials-any
CSharpEssentials.Core	dotnet add package CSharpEssentials.Core	csharpessentials-core
CSharpEssentials.Enums	dotnet add package CSharpEssentials.Enums	csharpessentials-enums

Business Rules & Validation

Package	Install	Skill
CSharpEssentials.Rules	dotnet add package CSharpEssentials.Rules	csharpessentials-rules
CSharpEssentials.Validation	dotnet add package CSharpEssentials.Validation	csharpessentials-validation

CQRS / Mediator

Package	Install	Skill
CSharpEssentials.Mediator	dotnet add package CSharpEssentials.Mediator	csharpessentials-mediator

Domain Model / EF Core

Package	Install	Skill
CSharpEssentials.Entity	dotnet add package CSharpEssentials.Entity	csharpessentials-entity
CSharpEssentials.EntityFrameworkCore	dotnet add package CSharpEssentials.EntityFrameworkCore	csharpessentials-efcore

Web / Infrastructure

Package	Install	Skill
CSharpEssentials.AspNetCore	dotnet add package CSharpEssentials.AspNetCore	csharpessentials-aspnetcore
CSharpEssentials.Http	dotnet add package CSharpEssentials.Http	csharpessentials-http
CSharpEssentials.Json	dotnet add package CSharpEssentials.Json	csharpessentials-json
CSharpEssentials.RequestResponseLogging	dotnet add package CSharpEssentials.RequestResponseLogging	csharpessentials-logging
CSharpEssentials.GcpSecretManager	dotnet add package CSharpEssentials.GcpSecretManager	csharpessentials-gcpsecretmanager

Resilience

Package	Install	Skill
CSharpEssentials.Resilience	dotnet add package CSharpEssentials.Resilience	csharpessentials-resilience

Utilities

Package	Install	Skill
CSharpEssentials.Time	dotnet add package CSharpEssentials.Time	csharpessentials-time
CSharpEssentials.Clone	dotnet add package CSharpEssentials.Clone	csharpessentials-clone

---

Problem → Package Quick Reference

Problem	Package
Return errors without exceptions	CSharpEssentials.Results + CSharpEssentials.Errors
Represent optional values (no null)	CSharpEssentials.Maybe
Return one of several distinct types	CSharpEssentials.Any
Compose business validation rules	CSharpEssentials.Rules
Model-first validation returning Result<T>	CSharpEssentials.Validation
CQRS pipeline behaviors (validate, log, cache, transact)	CSharpEssentials.Mediator
DDD aggregate base class + domain events	CSharpEssentials.Entity
EF Core audit, slow queries, pagination	CSharpEssentials.EntityFrameworkCore
Map errors to HTTP ProblemDetails	CSharpEssentials.AspNetCore
HttpClient that returns Result	CSharpEssentials.Http
JSON serialization with string enums + polymorphism	CSharpEssentials.Json
Log request/response bodies	CSharpEssentials.RequestResponseLogging
Load secrets from GCP Secret Manager	CSharpEssentials.GcpSecretManager
Transient fault handling (retry, timeout, circuit breaker, fallback)	CSharpEssentials.Resilience
Testable time / freeze clock in tests	CSharpEssentials.Time
Deep-copy entity collections	CSharpEssentials.Clone
Fast enum-to-string (NativeAOT-safe)	CSharpEssentials.Enums
String case conversions, GUID utilities	CSharpEssentials.Core

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Namespace Reference

using CSharpEssentials.ResultPattern;       // Result, Result<T>
using CSharpEssentials.Errors;              // Error, ErrorType, ErrorMetadata
using CSharpEssentials.Maybe;               // Maybe<T>
using CSharpEssentials.Any;                 // Any<T1,T2,...>
using CSharpEssentials.Core;                // string/GUID/collection helpers
using CSharpEssentials.Enums;              // [StringEnum]
using CSharpEssentials.Rules;              // IRule<T>, RuleEngine
using CSharpEssentials.Validation;         // Validator<T>, RuleContext<T>, IValidator<T>
using CSharpEssentials.Mediator;           // ICacheable, ILoggableRequest, ITransactionalRequest
using CSharpEssentials.Entity;             // EntityBase, SoftDeletableEntityBase
using CSharpEssentials.Entity.Interfaces;  // IDomainEvent
using CSharpEssentials.EntityFrameworkCore; // interceptors, pagination
using CSharpEssentials.AspNetCore;         // GlobalExceptionHandler, ResultEndpointFilter
using CSharpEssentials.Http;               // HttpClientResultExtensions, HttpRequestBuilder
using CSharpEssentials.Resilience;          // ResiliencePolicy, ResiliencePolicy<T>
using CSharpEssentials.Json;               // JsonOptions, converters
using CSharpEssentials.RequestResponseLogging; // LoggingOptions, SkipLoggingAttributes
using CSharpEssentials.GcpSecretManager;   // AddGcpSecretManager()
using CSharpEssentials.Time;               // IDateTimeProvider, DateTimeProvider
using CSharpEssentials.Clone;              // ICloneable<T>