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null.go
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/
null.go
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// Copyright 2021 FerretDB Inc.
//
// 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package fjson
import "github.com/40t/go-sniffer/plugSrc/mongodb/build/FerretDB-internal/types"
// nullType represents BSON Null type.
type nullType types.NullType
// fjsontype implements fjsontype interface.
func (*nullType) fjsontype() {}
// MarshalJSON implements fjsontype interface.
func (*nullType) MarshalJSON() ([]byte, error) {
return []byte("null"), nil
}
// check interfaces
var (
_ fjsontype = (*nullType)(nil)
)