Optimising Dictionaries that are keyed by a generic Type

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This short post looks at an implementation of a dictionary that is optimised for keys of generic types. It uses a 'trick' which gives it far better performance than that of a normal Dictionary<Type, TValue> . Using dictionaries that are keyed by a Type is quite common and is often used in 'hot paths', so this optimised lookup could save you precious processing time! I discovered this neat type via…

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