Prototype using public read-only property in POCO as discriminator #1824
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This is a prototype of how we might be able to support using a public read-only property of a POCO as the discriminator.
The key is to configure which property (if any) of the POCO to use as the discriminator. That's what the new
[BsonDiscriminatorMember]attribute andSetDiscriminatorMembermethod are about.The rest of the changes are some relatively small changes to account for the fact that the differences between a hidden
_tfield and a public POCO member.