feat: initial project commit

src/Results/Result.Unbox.cs

@@ -0,0 +1,63 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Diagnostics.Contracts;
+
+namespace Geekeey.Common.Results;
+
+public readonly partial struct Result<T>
+{
+	/// <summary>
+	/// Tries to get the success value from the result.
+	/// </summary>
+	/// <param name="value">The success value of the result.</param>
+	/// <returns>Whether the result has success value.</returns>
+	[Pure]
+	public bool TryGetValue([MaybeNullWhen(false)] out T value)
+	{
+		value = Value!;
+
+		return _success;
+	}
+
+	/// <summary>
+	/// Tries to get the success value from the result.
+	/// </summary>
+	/// <param name="value">The success value of the result.</param>
+	/// <param name="error">The failure value of the result.</param>
+	/// <returns>Whether the result has a success value.</returns>
+	[Pure]
+	public bool TryGetValue([MaybeNullWhen(false)] out T value, [MaybeNullWhen(true)] out Error error)
+	{
+		value = Value!;
+		error = !_success ? Error : null!;
+
+		return _success;
+	}
+
+	/// <summary>
+	/// Tries to get the failure value from the result.
+	/// </summary>
+	/// <param name="error">The failure value of the result.</param>
+	/// <returns>Whether the result has a failure value.</returns>
+	[Pure]
+	public bool TryGetError([MaybeNullWhen(false)] out Error error)
+	{
+		error = !_success ? Error : null!;
+
+		return !_success;
+	}
+
+	/// <summary>
+	/// Tries to get the failure value from the result.
+	/// </summary>
+	/// <param name="error">The failure value of the result.</param>
+	/// <param name="value">The success value of the result.</param>
+	/// <returns>Whether the result a failure value.</returns>
+	[Pure]
+	public bool TryGetError([MaybeNullWhen(false)] out Error error, [MaybeNullWhen(true)] out T value)
+	{
+		error = !_success ? Error : null!;
+		value = Value!;
+
+		return !_success;
+	}
+}