MongoCollection.findOne

Undocumented in source. Be warned that the author may not have intended to support it.

auto findOne(T query, U returnFieldSelector, QueryFlags flags)
struct MongoCollection
deprecated
auto
findOne
(
R = Bson
T
U
)
(
T query
,
U returnFieldSelector
,
QueryFlags flags
)
auto findOne(T query, U projection, FindOptions options)
auto findOne(T query, FindOptions options)

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