24 lines
642 B
Go
Raw Normal View History

// Copyright 2017 Baliance. All rights reserved.
//
// Use of this source code is governed by the terms of the Affero GNU General
// Public License version 3.0 as published by the Free Software Foundation and
// appearing in the file LICENSE included in the packaging of this file. A
// commercial license can be purchased by contacting sales@baliance.com.
package formula
type EmptyExpr struct {
}
func NewEmptyExpr() Expression {
return EmptyExpr{}
}
func (e EmptyExpr) Eval(ctx Context, ev Evaluator) Result {
return MakeEmptyResult()
}
func (e EmptyExpr) Reference(ctx Context, ev Evaluator) Reference {
return ReferenceInvalid
}