Basic rules for using anonymous types

• Anonymous types must always have an initial assignment and it can’t be null because the type is inferred and fixed to the initializer.
• can be used with simple or complex types
• can be used as initializers in for loops
• can be used and has to be used for array initializers
• can be used with arrays
• can be returned from methods but must be cast to object
• cannot be used for a class field