https://anotepad.com/notes/2jd28a4w
The $it literal can be utilized inexpressions to discuss with the current occasion of the gathering recognized bythe resource path. It can be used as apath prefix to invoke a bound operate on the present instance within anexpression. � ServicesMAY assist structural casting of entities and sophisticated type instances to aderived sort, or arbitrary structured type, by assigning values of identicallynamed properties and casting them recursively. The forged fails if certainly one of theproperty-value casts fails or the goal kind accommodates non-nullabl
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