How To Test if Type is Primitive

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You can use the property Type.IsPrimitive, but be carefull because there are some types that we can think that are primitives, but they aren´t, for example Decimal and String.

Edit 1: Added sample code

Here is a sample code:

if (t.IsPrimitive || t == typeof(Decimal) || t == typeof(String) || ... )
{
    // Is Primitive, or Decimal, or String
}

Edit 2: As @SLaks comments, there are other types that maybe you want to treat as primitives, too. I think that you´ll have to add this variations one by one.

Edit 3: IsPrimitive = (Boolean, Byte, SByte, Int16, UInt16, Int32, UInt32, Int64, UInt64, IntPtr, UIntPtr, Char, Double, and Single),
Anther Primitive-Like type to check (t == typeof(DateTime))

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