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Diagram contrasting explicit Dispose calls with garbage collector finalization timing in C#.

C# Dispose vs Destructor: Key Differences Explained

Illustration of C# variable declaration showing type, name, and value assignment in a code editor.

C# Variable Declaration: Syntax and Practical Usage

Diagram illustrating C# primary constructor class syntax with parameters and class body.

C# Primary Constructors for Classes: Syntax and Usage

Illustration of sorting elements using a custom IComparer in C#

C# IComparer: Custom Sorting with IComparer<T>

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Illustration of a C# generic type parameter T constrained to value types, with solid blocks representing int, DateTime, and enum passing through a filter gate while a reference type is blocked.

C# where T : struct: Generic Value Type Constraints

The C# `where T : struct` constraint restricts generic parameters to non-nullable value types. See how it changes `T?` to `Nullable<T>`, when to use it, and where boxing can still happen.

C#GenericsType ConstraintsValue Types

A C# generic class declaration showing the where T : class constraint restricting type parameters to reference types.

C# where T : class — Reference Type Constraints in Generics

Understand the C# where T : class constraint: syntax, compile-time guarantees, nullability interaction, common mistakes, and runtime behavior.

C#GenericsType Constraints.NET

A diagram showing a generic type parameter T constrained by a class and interface, representing C# where T constraints.

C# where T: Generic Type Constraints Explained

Learn how the C# where T clause constrains generic type parameters, enables compile-time type safety, and covers common constraints like class, struct, new(), and interfaces.

C# genericstype constraintsgeneric methodstype safety

A C# generic constraint diagram showing a type parameter with a where clause restricting it to an interface.

C# Generic Constraints: Syntax, Use Cases, and Pitfalls

Learn how C# generic constraints enforce type requirements at compile time. This guide covers constraint syntax, common patterns, performance implications, and pitfalls.

C# genericsgeneric constraintstype safetycompile-time checking

Diagram showing a generic type parameter acting as a placeholder for multiple concrete types in C#.

C# Generic Type Parameter: Syntax, Constraints, and Runtime Behavior

Learn how C# generic type parameters work: syntax, constraints, variance, runtime behavior, and common mistakes for writing type-safe reusable code.

genericstype safetyconstraintsvariance

Illustration of a generic interface in C# with type parameters and type safety.

C# Generic Interface: Definition, Usage, and Patterns

Learn how to define and use C# generic interfaces for type-safe, reusable abstractions. Includes constraints, covariance and contravariance, and practical repository examples.

C# genericsgeneric interfacestype safetycovariance