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wickra/SUPPORT.md
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kingchencandGitHub 91f6f67257 Add C# (.NET) binding over the C ABI hub (#226)
The first language stecker on the C ABI hub: a .NET binding exposing all 514
indicators as idiomatic `IDisposable` classes, generated from `wickra.h`.

## What's here

- **`bindings/csharp/`** — the `Wickra` .NET 8 package. `[LibraryImport]`
  source-generated P/Invoke (`NativeMethods.g.cs`) plus idiomatic wrappers
  (`Indicators.g.cs`), both generated from the committed `bindings/c/include/wickra.h`.
  The binding owns no indicator maths — it only marshals types across the C ABI.
- **Marshalling, verified end-to-end against the native library.** Opaque handles
  cross as `nint` kept alive per call via a `SafeHandle`; `bool` as
  `[MarshalAs(U1)]` (Rust `bool` is one byte); a self-correcting
  `DllImportResolver` validates the loaded library actually exports the Wickra
  ABI. Tests cover one representative per FFI archetype (scalar, candle, pairwise,
  multi-output, bars, profile, values-profile, order-book / array-input) plus
  exact Sma reference values.
- **NuGet packaging** — `dotnet pack` produces `Wickra.<version>.nupkg`; the
  release pipeline stages prebuilt native libraries under `runtimes/<rid>/native/`
  for six target triples (win/linux/osx × x64/arm64).
- **`examples/csharp/`** — nine examples mirroring `examples/c/`: streaming,
  backtest, multi_timeframe, parallel_assets, three strategies, and
  fetch_btcusdt + live_binance.
- **CI** — a `csharp` job on the three OSes builds the C ABI, tests the binding,
  and runs the offline examples. **Release** — a gated `csharp-publish` job packs
  and pushes to NuGet (gated on `NUGET_API_KEY`, independent of the GitHub-release
  job so a C# hiccup never blocks the C/C++ asset release).
- **Docs consistency wave** — README, CONTRIBUTING, CHANGELOG, examples/README,
  the issue / PR templates, `sync-about.yml`, and `.gitattributes`.

The native Python / Node / WASM bindings and the C ABI are untouched; this is
additive. Publishing to NuGet stays gated behind the release tag and the secret.
2026-06-09 14:32:05 +02:00

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# Support
Thanks for using Wickra! Here is where to get help, depending on what you need.
## Documentation first
Most questions are answered in the documentation:
- **Docs site:** <https://docs.wickra.org> — quickstarts for Rust, Python,
Node.js, WebAssembly, C and C#, a per-indicator reference, warmup periods, the
data layer, and an FAQ.
- **README:** <https://github.com/wickra-lib/wickra#readme> — installation and a
quick overview.
- **API docs (Rust):** <https://docs.rs/wickra>.
## Questions and help
- Ask a question with the
[question issue template](.github/ISSUE_TEMPLATE/question.md).
- Browse [existing issues](https://github.com/wickra-lib/wickra/issues) — your
question may already be answered.
## Bugs and feature requests
- **Bugs:** use the bug-report issue template.
- **Feature requests / new indicators:** use the feature-request template.
## Security issues
Please do **not** report security vulnerabilities through public issues. Follow
the process in [`SECURITY.md`](SECURITY.md) (private GitHub advisory or email).
## Support expectations
Wickra is maintained by a single maintainer on a best-effort basis. Issues are
triaged and acknowledged as time allows; there is no commercial support or SLA.
Clear, reproducible reports get help fastest.