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Questions - nullability

Difficulty defining nullability constraints

I have an extension function called TryGetValueAs which basically combines TryGetValue with a cast. The problem is that I keep getting nullability warnings and I can't seem to get it right. I have the...
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Rick de Water

c#

.net-6.0

nullability

Votes: 0

Answers: 2

Latest Answer

Here is my attempt: public static bool TryGetValueAs<TOut, TKey, TValue>( this IDictionary<TKey, TValue> dictionary, TKey key, [NotNullWhen(true)] out TOut? value) where ...
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tymtam

How to Determine Nullability (NRT) of Generic Type Parameter?

For example, I might have a method with the following signature: public async Task<ViewModel?> GetPersonUri() Using reflection I would like to determine if the type parameter of Task is a nulla...
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Dejan

c#

reflection

system.reflection

c#-10.0

nullability

Votes: 0

Answers: 1

Latest Answer

In .NET 6 onwards, we gained the NullabilityInfoContext type, see this answer for details. Prior to this, you have to manually inspect the attributes yourself. This seems to do the trick: public stat...
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canton7

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