1 files changed, 38 insertions, 0 deletions
diff --git a/src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/map_codec_options.go b/src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/map_codec_options.go
new file mode 100644
index 00000000000..981ba787825
--- /dev/null
+++ b/src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/bsonoptions/map_codec_options.go
@@ -0,0 +1,38 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package bsonoptions
+
+// MapCodecOptions represents all possible options for map encoding and decoding.
+type MapCodecOptions struct {
+	DecodeZerosMap *bool // Specifies if the map should be zeroed before decoding into it. Defaults to false.
+}
+
+// MapCodec creates a new *MapCodecOptions
+func MapCodec() *MapCodecOptions {
+	return &MapCodecOptions{}
+}
+
+// SetDecodeZerosMap specifies if the map should be zeroed before decoding into it. Defaults to false.
+func (t *MapCodecOptions) SetDecodeZerosMap(b bool) *MapCodecOptions {
+	t.DecodeZerosMap = &b
+	return t
+}
+
+// MergeMapCodecOptions combines the given *MapCodecOptions into a single *MapCodecOptions in a last one wins fashion.
+func MergeMapCodecOptions(opts ...*MapCodecOptions) *MapCodecOptions {
+	s := MapCodec()
+	for _, opt := range opts {
+		if opt == nil {
+			continue
+		}
+		if opt.DecodeZerosMap != nil {
+			s.DecodeZerosMap = opt.DecodeZerosMap
+		}
+	}
+
+	return s
+}