Add Order and OrderBook domains with test suites

2026-10-01 11:38:06 +01:00
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+# Show, Don't Tell — C# exercise workspace
+
+Workspace for the "Show, Don't Tell — Using Examples with Coding Agents" exercise (C# / .NET 10 / NUnit).
+
+## Prerequisites
+
+- .NET 10 SDK (version pinned in `global.json`)
+- If you use [mise](https://mise.jdx.dev): `mise install` installs the SDK listed in `mise.toml`
+
+## Build and run the tests
+
+```sh
+dotnet build
+dotnet test
+```
+
+## Layout
+
+| Directory | Contents |
+| --- | --- |
+| `src/OrderDomain`, `tests/OrderTests` | Order domain with discount behaviour, and its tests |
+| `src/OrderBookDomain`, `tests/OrderBookTests` | OrderBook state machine, and its integration tests |
+
+Open `ShowDontTell.sln` in your IDE (Rider, Visual Studio, VS Code with the C# extension).