C# Roadmap - simpleprog

simpleprog

Foundations

▸ System.Reflection Architecture

▸ Custom Attributes & AttributeUsage

▸ Dynamic Invocation & Performance

Core Concepts

▸ Reflection Emit & Dynamic Assemblies

▸ Source Generators (Roslyn)

▸ Expression Trees

Intermediate Skills

▸ Unmanaged Callers & Function Pointers

▸ Task & ValueTask Semantics

▸ ConfigureAwait & Context

Advanced Topics

▸ Async Streams (IAsyncEnumerable<T>)

▸ Channels (System.Threading.Channels)

▸ AsyncValueTask Pooling & IValueTaskSource

Expert Level

▸ Task vs Thread Differences

▸ SynchronizationContext & AsyncLocal

▸ IEnumerable & IQueryable

Mastery

▸ LINQ Method Chain & Deferred Execution

▸ LINQ Provider Implementation

▸ PLINQ for Parallel Queries

Ecosystem

▸ LINQ to SQL/EF Translation

▸ Custom LINQ Operators

▸ Expression Tree Optimization

Architecture

▸ Generic Type System

▸ Constraints (where T : struct, class, new())

▸ Covariance & Contravariance (in/out)

Optimization

▸ History: Reified vs Type Erasure

▸ Generic Method Type Inference

▸ Static Fields in Generic Types

Deployment

▸ Generic Math (INumber<T>, .NET 7)

▸ Span<T> & Memory<T>

▸ Stackalloc & Span Safety

Phase 11

▸ Unsafe & Pointer Operations

▸ MemoryMarshal & Casting

▸ Buffer Management with ArrayPool<T>

Phase 12

▸ String Interning & String.Create

▸ GC Root Generation & Object Graph

▸ Syntax Tree & Syntax Nodes

Phase 13

▸ Semantic Model & Symbols

▸ Analyzer (DiagnosticAnalyzer)

▸ Code Fix Provider

Phase 14

▸ Syntax Transformation

▸ CSharpCompilation & Emit

▸ Scripting API (CSharpScript)

Phase 15

▸ P/Invoke Declaration & Marshalling

▸ Struct Layout (Sequential, Explicit)

▸ Callback Delegates (UnmanagedFunctionPointer)

Phase 16

▸ COM Interop & COM Callable Wrapper

▸ WinRT Interop

▸ C++/CLI Bridge

Phase 17

▸ Native Memory (Marshal.AllocHGlobal)

▸ ThreadPool Internals

▸ TaskScheduler & Custom Scheduling

Phase 18

▸ Parallel.For/ForEach Patterns

▸ Barrier & CountdownEvent

▸ ReaderWriterLockSlim

Phase 19

▸ SpinLock & SpinWait

▸ Dataflow (ActionBlock, TransformBlock)

▸ Switch Expressions (C# 8+)

Phase 20

▸ Property & Tuple Patterns

▸ Positional Pattern (Deconstruct)

▸ List Patterns (C# 11)

Phase 21

▸ Relational Patterns (<, >, and, or)

▸ Pattern Combinators

▸ Pattern Matching in Recursive Types

Phase 22

▸ Incremental Generators (IIncrementalGenerator)

▸ Syntax Receiver & Pipeline

▸ Emitting Source with SourceText

Phase 23

▸ Registering Outputs

▸ Debugging Source Generators

▸ Source Gen Safety & Avoidance

Phase 24

▸ Real-World: System.Text.Json Source Gen

▸ fixed Statement & Pinning

▸ Address-of & Pointer Types

Phase 25

▸ stackalloc & Span

▸ MethodImplOptions.AggressiveInlining

▸ SuppressGCTransition

Phase 26

▸ SkipLocalsInit

▸ NativeAOT Unsafe Operations

▸ BenchmarkDotNet Methodology

Phase 27

▸ GC Overhead & Collection Modes

▸ Struct vs Class Performance

▸ Array Pooling & Rent Patterns

Phase 28

▸ ValueTask & Avoiding Allocations

▸ StringBuilder vs String Concatenation

▸ Hardware Intrinsics (SIMD)

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