Replace all uses of 'interface{}' with 'any' in the mongo/ packages.

mongo/background_context.go

@@ -29,6 +29,6 @@ func newBackgroundContext(ctx context.Context) context.Context {
 	}
 }
 
-func (b *backgroundContext) Value(key interface{}) interface{} {
+func (b *backgroundContext) Value(key any) any {
 	return b.childValuesCtx.Value(key)
 }

mongo/batch_cursor.go

@@ -50,7 +50,7 @@ type batchCursor interface {
 
 	// SetComment will set a user-configurable comment that can be used to
 	// identify the operation in server logs.
-	SetComment(interface{})
+	SetComment(any)
 
 	// MaxAwaitTime returns the maximum amount of time the server will allow
 	// the operations to execute. This is only valid for tailable awaitData

mongo/bulk_write.go

@@ -29,7 +29,7 @@ type bulkWriteBatch struct {
 
 // bulkWrite performs a bulkwrite operation
 type bulkWrite struct {
-	comment                  interface{}
+	comment                  any
 	ordered                  *bool
 	bypassDocumentValidation *bool
 	models                   []WriteModel
@@ -38,7 +38,7 @@ type bulkWrite struct {
 	selector                 description.ServerSelector
 	writeConcern             *writeconcern.WriteConcern
 	result                   BulkWriteResult
-	let                      interface{}
+	let                      any
 	rawData                  *bool
 }
 
@@ -50,7 +50,7 @@ func (bw *bulkWrite) execute(ctx context.Context) error {
 
 	batches := createBatches(bw.models, ordered)
 	bw.result = BulkWriteResult{
-		UpsertedIDs: make(map[int64]interface{}),
+		UpsertedIDs: make(map[int64]any),
 	}
 
 	bwErr := BulkWriteException{
@@ -105,7 +105,7 @@ func (bw *bulkWrite) execute(ctx context.Context) error {
 
 func (bw *bulkWrite) runBatch(ctx context.Context, batch bulkWriteBatch) (BulkWriteResult, BulkWriteException, error) {
 	batchRes := BulkWriteResult{
-		UpsertedIDs: make(map[int64]interface{}),
+		UpsertedIDs: make(map[int64]any),
 	}
 	batchErr := BulkWriteException{}
 
@@ -297,9 +297,9 @@ func (bw *bulkWrite) runDelete(ctx context.Context, batch bulkWriteBatch) (opera
 }
 
 func createDeleteDoc(
-	filter interface{},
+	filter any,
 	collation *options.Collation,
-	hint interface{},
+	hint any,
 	deleteOne bool,
 	bsonOpts *options.BSONOptions,
 	registry *bson.Registry,
@@ -434,11 +434,11 @@ func (bw *bulkWrite) runUpdate(ctx context.Context, batch bulkWriteBatch) (opera
 }
 
 type updateDoc struct {
-	filter         interface{}
-	update         interface{}
-	hint           interface{}
-	sort           interface{}
-	arrayFilters   []interface{}
+	filter         any
+	update         any
+	hint           any
+	sort           any
+	arrayFilters   []any
 	collation      *options.Collation
 	upsert         *bool
 	multi          bool

mongo/bulk_write_models.go

@@ -23,7 +23,7 @@ type WriteModel interface {
 //
 // See corresponding setter methods for documentation.
 type InsertOneModel struct {
-	Document interface{}
+	Document any
 }
 
 // NewInsertOneModel creates a new InsertOneModel.
@@ -34,7 +34,7 @@ func NewInsertOneModel() *InsertOneModel {
 // SetDocument specifies the document to be inserted. The document cannot be nil. If it does not have an _id field when
 // transformed into BSON, one will be added automatically to the marshalled document. The original document will not be
 // modified.
-func (iom *InsertOneModel) SetDocument(doc interface{}) *InsertOneModel {
+func (iom *InsertOneModel) SetDocument(doc any) *InsertOneModel {
 	iom.Document = doc
 	return iom
 }
@@ -45,9 +45,9 @@ func (*InsertOneModel) writeModel() {}
 //
 // See corresponding setter methods for documentation.
 type DeleteOneModel struct {
-	Filter    interface{}
+	Filter    any
 	Collation *options.Collation
-	Hint      interface{}
+	Hint      any
 }
 
 // NewDeleteOneModel creates a new DeleteOneModel.
@@ -58,7 +58,7 @@ func NewDeleteOneModel() *DeleteOneModel {
 // SetFilter specifies a filter to use to select the document to delete. The filter must be a document containing query
 // operators. It cannot be nil. If the filter matches multiple documents, one will be selected from the matching
 // documents.
-func (dom *DeleteOneModel) SetFilter(filter interface{}) *DeleteOneModel {
+func (dom *DeleteOneModel) SetFilter(filter any) *DeleteOneModel {
 	dom.Filter = filter
 	return dom
 }
@@ -77,7 +77,7 @@ func (dom *DeleteOneModel) SetCollation(collation *options.Collation) *DeleteOne
 // if this option is specified during an unacknowledged write operation. The
 // driver will return an error if the hint parameter is a multi-key map. The
 // default value is nil, which means that no hint will be sent.
-func (dom *DeleteOneModel) SetHint(hint interface{}) *DeleteOneModel {
+func (dom *DeleteOneModel) SetHint(hint any) *DeleteOneModel {
 	dom.Hint = hint
 	return dom
 }
@@ -88,9 +88,9 @@ func (*DeleteOneModel) writeModel() {}
 //
 // See corresponding setter methods for documentation.
 type DeleteManyModel struct {
-	Filter    interface{}
+	Filter    any
 	Collation *options.Collation
-	Hint      interface{}
+	Hint      any
 }
 
 // NewDeleteManyModel creates a new DeleteManyModel.
@@ -100,7 +100,7 @@ func NewDeleteManyModel() *DeleteManyModel {
 
 // SetFilter specifies a filter to use to select documents to delete. The filter must be a document containing query
 // operators. It cannot be nil.
-func (dmm *DeleteManyModel) SetFilter(filter interface{}) *DeleteManyModel {
+func (dmm *DeleteManyModel) SetFilter(filter any) *DeleteManyModel {
 	dmm.Filter = filter
 	return dmm
 }
@@ -119,7 +119,7 @@ func (dmm *DeleteManyModel) SetCollation(collation *options.Collation) *DeleteMa
 // if this option is specified during an unacknowledged write operation. The
 // driver will return an error if the hint parameter is a multi-key map. The
 // default value is nil, which means that no hint will be sent.
-func (dmm *DeleteManyModel) SetHint(hint interface{}) *DeleteManyModel {
+func (dmm *DeleteManyModel) SetHint(hint any) *DeleteManyModel {
 	dmm.Hint = hint
 	return dmm
 }
@@ -132,10 +132,10 @@ func (*DeleteManyModel) writeModel() {}
 type ReplaceOneModel struct {
 	Collation   *options.Collation
 	Upsert      *bool
-	Filter      interface{}
-	Replacement interface{}
-	Hint        interface{}
-	Sort        interface{}
+	Filter      any
+	Replacement any
+	Hint        any
+	Sort        any
 }
 
 // NewReplaceOneModel creates a new ReplaceOneModel.
@@ -150,22 +150,22 @@ func NewReplaceOneModel() *ReplaceOneModel {
 // if this option is specified during an unacknowledged write operation. The
 // driver will return an error if the hint parameter is a multi-key map. The
 // default value is nil, which means that no hint will be sent.
-func (rom *ReplaceOneModel) SetHint(hint interface{}) *ReplaceOneModel {
+func (rom *ReplaceOneModel) SetHint(hint any) *ReplaceOneModel {
 	rom.Hint = hint
 	return rom
 }
 
 // SetFilter specifies a filter to use to select the document to replace. The filter must be a document containing query
 // operators. It cannot be nil. If the filter matches multiple documents, one will be selected from the matching
 // documents.
-func (rom *ReplaceOneModel) SetFilter(filter interface{}) *ReplaceOneModel {
+func (rom *ReplaceOneModel) SetFilter(filter any) *ReplaceOneModel {
 	rom.Filter = filter
 	return rom
 }
 
 // SetReplacement specifies a document that will be used to replace the selected document. It cannot be nil and cannot
 // contain any update operators (https://www.mongodb.com/docs/manual/reference/operator/update/).
-func (rom *ReplaceOneModel) SetReplacement(rep interface{}) *ReplaceOneModel {
+func (rom *ReplaceOneModel) SetReplacement(rep any) *ReplaceOneModel {
 	rom.Replacement = rep
 	return rom
 }
@@ -189,7 +189,7 @@ func (rom *ReplaceOneModel) SetUpsert(upsert bool) *ReplaceOneModel {
 // matched by the sort order will be replaced. This option is only valid for MongoDB versions >= 8.0. The sort parameter
 // is evaluated sequentially, so the driver will return an error if it is a multi-key map (which is unordeded). The
 // default value is nil.
-func (rom *ReplaceOneModel) SetSort(sort interface{}) *ReplaceOneModel {
+func (rom *ReplaceOneModel) SetSort(sort any) *ReplaceOneModel {
 	rom.Sort = sort
 	return rom
 }
@@ -202,11 +202,11 @@ func (*ReplaceOneModel) writeModel() {}
 type UpdateOneModel struct {
 	Collation    *options.Collation
 	Upsert       *bool
-	Filter       interface{}
-	Update       interface{}
-	ArrayFilters []interface{}
-	Hint         interface{}
-	Sort         interface{}
+	Filter       any
+	Update       any
+	ArrayFilters []any
+	Hint         any
+	Sort         any
 }
 
 // NewUpdateOneModel creates a new UpdateOneModel.
@@ -221,29 +221,29 @@ func NewUpdateOneModel() *UpdateOneModel {
 // if this option is specified during an unacknowledged write operation. The
 // driver will return an error if the hint parameter is a multi-key map. The
 // default value is nil, which means that no hint will be sent.
-func (uom *UpdateOneModel) SetHint(hint interface{}) *UpdateOneModel {
+func (uom *UpdateOneModel) SetHint(hint any) *UpdateOneModel {
 	uom.Hint = hint
 	return uom
 }
 
 // SetFilter specifies a filter to use to select the document to update. The filter must be a document containing query
 // operators. It cannot be nil. If the filter matches multiple documents, one will be selected from the matching
 // documents.
-func (uom *UpdateOneModel) SetFilter(filter interface{}) *UpdateOneModel {
+func (uom *UpdateOneModel) SetFilter(filter any) *UpdateOneModel {
 	uom.Filter = filter
 	return uom
 }
 
 // SetUpdate specifies the modifications to be made to the selected document. The value must be a document containing
 // update operators (https://www.mongodb.com/docs/manual/reference/operator/update/). It cannot be nil or empty.
-func (uom *UpdateOneModel) SetUpdate(update interface{}) *UpdateOneModel {
+func (uom *UpdateOneModel) SetUpdate(update any) *UpdateOneModel {
 	uom.Update = update
 	return uom
 }
 
 // SetArrayFilters specifies a set of filters to determine which elements should be modified when updating an array
 // field.
-func (uom *UpdateOneModel) SetArrayFilters(filters []interface{}) *UpdateOneModel {
+func (uom *UpdateOneModel) SetArrayFilters(filters []any) *UpdateOneModel {
 	uom.ArrayFilters = filters
 	return uom
 }
@@ -267,7 +267,7 @@ func (uom *UpdateOneModel) SetUpsert(upsert bool) *UpdateOneModel {
 // matched by the sort order will be updated. This option is only valid for MongoDB versions >= 8.0. The sort parameter
 // is evaluated sequentially, so the driver will return an error if it is a multi-key map (which is unordeded). The
 // default value is nil.
-func (uom *UpdateOneModel) SetSort(sort interface{}) *UpdateOneModel {
+func (uom *UpdateOneModel) SetSort(sort any) *UpdateOneModel {
 	uom.Sort = sort
 	return uom
 }
@@ -280,10 +280,10 @@ func (*UpdateOneModel) writeModel() {}
 type UpdateManyModel struct {
 	Collation    *options.Collation
 	Upsert       *bool
-	Filter       interface{}
-	Update       interface{}
-	ArrayFilters []interface{}
-	Hint         interface{}
+	Filter       any
+	Update       any
+	ArrayFilters []any
+	Hint         any
 }
 
 // NewUpdateManyModel creates a new UpdateManyModel.
@@ -298,28 +298,28 @@ func NewUpdateManyModel() *UpdateManyModel {
 // if this option is specified during an unacknowledged write operation. The
 // driver will return an error if the hint parameter is a multi-key map. The
 // default value is nil, which means that no hint will be sent.
-func (umm *UpdateManyModel) SetHint(hint interface{}) *UpdateManyModel {
+func (umm *UpdateManyModel) SetHint(hint any) *UpdateManyModel {
 	umm.Hint = hint
 	return umm
 }
 
 // SetFilter specifies a filter to use to select documents to update. The filter must be a document containing query
 // operators. It cannot be nil.
-func (umm *UpdateManyModel) SetFilter(filter interface{}) *UpdateManyModel {
+func (umm *UpdateManyModel) SetFilter(filter any) *UpdateManyModel {
 	umm.Filter = filter
 	return umm
 }
 
 // SetUpdate specifies the modifications to be made to the selected documents. The value must be a document containing
 // update operators (https://www.mongodb.com/docs/manual/reference/operator/update/). It cannot be nil or empty.
-func (umm *UpdateManyModel) SetUpdate(update interface{}) *UpdateManyModel {
+func (umm *UpdateManyModel) SetUpdate(update any) *UpdateManyModel {
 	umm.Update = update
 	return umm
 }
 
 // SetArrayFilters specifies a set of filters to determine which elements should be modified when updating an array
 // field.
-func (umm *UpdateManyModel) SetArrayFilters(filters []interface{}) *UpdateManyModel {
+func (umm *UpdateManyModel) SetArrayFilters(filters []any) *UpdateManyModel {
 	umm.ArrayFilters = filters
 	return umm
 }

mongo/change_stream.go

@@ -102,7 +102,7 @@ type changeStreamConfig struct {
 	crypt          driver.Crypt
 }
 
-func newChangeStream(ctx context.Context, config changeStreamConfig, pipeline interface{},
+func newChangeStream(ctx context.Context, config changeStreamConfig, pipeline any,
 	opts ...options.Lister[options.ChangeStreamOptions]) (*ChangeStream, error) {
 	if ctx == nil {
 		ctx = context.Background()
@@ -401,7 +401,7 @@ func (cs *ChangeStream) storeResumeToken() error {
 	return nil
 }
 
-func (cs *ChangeStream) buildPipelineSlice(pipeline interface{}) error {
+func (cs *ChangeStream) buildPipelineSlice(pipeline any) error {
 	val := reflect.ValueOf(pipeline)
 	if !val.IsValid() || !(val.Kind() == reflect.Slice) {
 		cs.err = errors.New("can only marshal slices and arrays into aggregation pipelines, but got invalid")
@@ -557,7 +557,7 @@ func (cs *ChangeStream) SetBatchSize(size int32) {
 
 // Decode will unmarshal the current event document into val and return any errors from the unmarshalling process
 // without any modification. If val is nil or is a typed nil, an error will be returned.
-func (cs *ChangeStream) Decode(val interface{}) error {
+func (cs *ChangeStream) Decode(val any) error {
 	if cs.cursor == nil {
 		return ErrNilCursor
 	}

mongo/client.go

@@ -83,7 +83,7 @@ type Client struct {
 	cryptFLE            driver.Crypt
 	metadataClientFLE   *Client
 	internalClientFLE   *Client
-	encryptedFieldsMap  map[string]interface{}
+	encryptedFieldsMap  map[string]any
 	authenticator       driver.Authenticator
 }
 
@@ -681,7 +681,7 @@ func (c *Client) Database(name string, opts ...options.Lister[options.DatabaseOp
 // The opts parameter can be used to specify options for this operation (see the options.ListDatabasesOptions documentation).
 //
 // For more information about the command, see https://www.mongodb.com/docs/manual/reference/command/listDatabases/.
-func (c *Client) ListDatabases(ctx context.Context, filter interface{}, opts ...options.Lister[options.ListDatabasesOptions]) (ListDatabasesResult, error) {
+func (c *Client) ListDatabases(ctx context.Context, filter any, opts ...options.Lister[options.ListDatabasesOptions]) (ListDatabasesResult, error) {
 	if ctx == nil {
 		ctx = context.Background()
 	}
@@ -759,7 +759,7 @@ func (c *Client) ListDatabases(ctx context.Context, filter interface{}, opts ...
 // documentation.)
 //
 // For more information about the command, see https://www.mongodb.com/docs/manual/reference/command/listDatabases/.
-func (c *Client) ListDatabaseNames(ctx context.Context, filter interface{}, opts ...options.Lister[options.ListDatabasesOptions]) ([]string, error) {
+func (c *Client) ListDatabaseNames(ctx context.Context, filter any, opts ...options.Lister[options.ListDatabasesOptions]) ([]string, error) {
 	opts = append(opts, options.ListDatabases().SetNameOnly(true))
 
 	res, err := c.ListDatabases(ctx, filter, opts...)
@@ -842,7 +842,7 @@ func (c *Client) UseSessionWithOptions(
 //
 // The opts parameter can be used to specify options for change stream creation (see the options.ChangeStreamOptions
 // documentation).
-func (c *Client) Watch(ctx context.Context, pipeline interface{},
+func (c *Client) Watch(ctx context.Context, pipeline any,
 	opts ...options.Lister[options.ChangeStreamOptions]) (*ChangeStream, error) {
 	csConfig := changeStreamConfig{
 		readConcern:    c.readConcern,