take operation accepts mutable loaned reference for types which supports it #718
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This update guarantees that if type is able to be taken by mutable loaned reference, there is no way to get this reference from inner type. I.e. for owned type
Option<Reply>
theconst z_loaned_reply_t*
may be converted from/toReply
. But thez_loaned_reply_t*
can be taken from theOption<Reply>
only to guarantee validity oftake
operation