feat: create request projects for basic CQRS

src/request.result/Result.Conversion.cs

@@ -0,0 +1,64 @@
+// Copyright (c) The Geekeey Authors
+// SPDX-License-Identifier: EUPL-1.2
+
+using System.Diagnostics.Contracts;
+
+namespace Geekeey.Request.Result;
+
+public partial class Result
+{
+	/// <summary>
+	/// Implicitly constructs a result from a failure value.
+	/// </summary>
+	/// <param name="error">The error to construct the result from.</param>
+	[Pure]
+	public static implicit operator Result(Error error)
+	{
+		return new Result(error);
+	}
+}
+
+public partial class Result<T>
+{
+	/// <summary>
+	/// Implicitly constructs a result from a success value.
+	/// </summary>
+	/// <param name="value">The value to construct the result from.</param>
+	[Pure]
+	public static implicit operator Result<T>(T value)
+	{
+		return new Result<T>(value);
+	}
+
+	/// <summary>
+	/// Implicitly constructs a result from a failure value.
+	/// </summary>
+	/// <param name="error">The error to construct the result from.</param>
+	[Pure]
+	public static implicit operator Result<T>(Error error)
+	{
+		return new Result<T>(error);
+	}
+
+	/// <summary>
+	/// Unwraps the success value of the result. Throws an <see cref="UnwrapException"/> if the result is a failure.
+	/// </summary>
+	/// <remarks>
+	/// This call is <b>unsafe</b> in the sense that it might intentionally throw an exception. Please only use this
+	/// call if the caller knows that this operation is safe, or that an exception is acceptable to be thrown.
+	/// </remarks>
+	/// <returns>The success value of the result.</returns>
+	/// <exception cref="UnwrapException">The result is not a success.</exception>
+	[Pure]
+	public T Unwrap()
+	{
+		return IsSuccess ? Value : throw new UnwrapException();
+	}
+
+	/// <inheritdoc cref="Unwrap"/>
+	[Pure]
+	public static explicit operator T(Result<T> result)
+	{
+		return result.Unwrap();
+	}
+}