add extension methods to `SonghayCore/Extensions/NullableExtensions.cs` for nullable value types - Githubissues

BryanWilhite / SonghayCore

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add extension methods to `SonghayCore/Extensions/NullableExtensions.cs` for nullable value types #137

Closed BryanWilhite closed 2 years ago

BryanWilhite commented 2 years ago

📖 https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/builtin-types/nullable-value-types

[x] add and use NullableExtensions.ThrowWhenNullOrWhiteSpace
[x] add and use NullableExtensions.ToValueOrThrow<T>
[x] sweep code for proper usage of ArgumentNullException.ThrowIfNull