| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| errors | Package errors implements functions to manipulate errors. |
| github.com/mongodb/mongo-go-driver/bson | |
| github.com/mongodb/mongo-go-driver/bson/objectid | |
| github.com/mongodb/mongo-go-driver/core/readconcern | |
| github.com/mongodb/mongo-go-driver/core/readpref | |
| github.com/mongodb/mongo-go-driver/core/writeconcern | |
| github.com/mongodb/mongo-go-driver/mongo | |
| github.com/mongodb/mongo-go-driver/mongo/collectionopt | |
| github.com/mongodb/mongo-go-driver/mongo/findopt | |
| io | Package io provides basic interfaces to I/O primitives. |
| math | Package math provides basic constants and mathematical functions. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| time | Package time provides functionality for measuring and displaying time. |