Access wrapped members as shared object#33
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-Port numpy_proxy class from nda
Previously member of a wrapped type were copied on access This commit introduces an option where access of wrapped members will avoid the copy at the cost of keeping the parent object alive for the full lifetime of the newly generated reference
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Whenever we access a member of a wrapped class where the type of the member is itself wrapped,
we should not copy but instead provide a new reference to the member which guarantees to keep the parent object alive.