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Null Parameter Checking : An interesting way

By Huzaifa Siddiqui
Apr 23 2022
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we can write the code for a null check as below

string? name = null;
CheckName(name);
void CheckName(string name)
{
    if(name is null)
    {
        throw new ArgumentNullException(nameof(name));
    }
    Console.WriteLine(name);
}

//We can replace the if condition with the below one-liner code:

void CheckName(string name)
{
    //if(name is null)
    //{
    //    throw new ArgumentNullException(nameof(name));
    //}
    ArgumentNullException.ThrowIfNull(name);
    Console.WriteLine(name);
}

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Null Parameter Checking : An interesting way

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Huzaifa Siddiqui

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