| name | olore-dotnet-csharp-latest |
| description | Local C# language documentation reference (latest). C# language documentation. Use for C# language features, syntax, types, LINQ, async/await, pattern matching, records, generics, and language specification. |
dotnet-csharp Documentation
C# language documentation from the official dotnet/docs repository. Covers language features, syntax, types, LINQ, async/await, pattern matching, records, generics, and more.
Quick Reference
| Task | Entry Point |
|---|
| Language overview | contents/tour-of-csharp/overview.md |
| Built-in types reference | contents/language-reference/builtin-types/ |
| Keywords reference | contents/language-reference/keywords/ |
| Operators reference | contents/language-reference/operators/ |
| async/await (TAP model) | contents/asynchronous-programming/task-asynchronous-programming-model.md |
| LINQ | contents/linq/index.md |
| Pattern matching | contents/fundamentals/functional/pattern-matching.md |
| Nullable reference types | contents/fundamentals/null-safety/nullable-reference-types.md |
| Generics | contents/programming-guide/generics/constraints-on-type-parameters.md |
| Records | contents/fundamentals/types/records.md |
| Compiler errors | contents/language-reference/compiler-messages/ |
| What's new (C# 14/15) | contents/whats-new/csharp-14.md |
When to use
Use this skill when the user asks about:
- C# language syntax, keywords, operators, or statements
- Type system: classes, structs, records, interfaces, generics, enums, tuples
- async/await, Tasks, ValueTask, IAsyncEnumerable
- LINQ queries (query syntax and method syntax)
- Pattern matching, switch expressions
- Nullable reference types and null safety
- Delegates, events, and lambda expressions
- String interpolation, raw string literals
- Expression trees, reflection, and attributes
- Interop (COM, P/Invoke, dynamic)
- ref, in, out, ref struct, Span performance patterns
- Compiler error codes (CSxxxx)
- C# 12, 13, 14, 15 new language features
How to find information
- First, read
TOC.md for complete file listing organized by directory
- Identify relevant section based on user's question
- Read specific files for details
TOC.md contains all files organized by directory - always check it first.
