VENDOR intensifies

vendor/go.mongodb.org/mongo-driver/mongo/options/distinctoptions.go

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+// 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 options
+
+import "time"
+
+// DistinctOptions represents all possible options to the Distinct() function.
+type DistinctOptions struct {
+	Collation *Collation     // Specifies a collation
+	MaxTime   *time.Duration // The maximum amount of time to allow the operation to run
+}
+
+// Distinct returns a pointer to a new DistinctOptions
+func Distinct() *DistinctOptions {
+	return &DistinctOptions{}
+}
+
+// SetCollation specifies a collation
+// Valid for server versions >= 3.4
+func (do *DistinctOptions) SetCollation(c *Collation) *DistinctOptions {
+	do.Collation = c
+	return do
+}
+
+// SetMaxTime specifies the maximum amount of time to allow the operation to run
+func (do *DistinctOptions) SetMaxTime(d time.Duration) *DistinctOptions {
+	do.MaxTime = &d
+	return do
+}
+
+// MergeDistinctOptions combines the argued DistinctOptions into a single DistinctOptions in a last-one-wins fashion
+func MergeDistinctOptions(opts ...*DistinctOptions) *DistinctOptions {
+	distinctOpts := Distinct()
+	for _, do := range opts {
+		if do == nil {
+			continue
+		}
+		if do.Collation != nil {
+			distinctOpts.Collation = do.Collation
+		}
+		if do.MaxTime != nil {
+			distinctOpts.MaxTime = do.MaxTime
+		}
+	}
+
+	return distinctOpts
+}