67 func (m *Module) Copy() *Module {  func
121 func (p *Property) Copy() *Property {  func
140 	Copy() Expression  methodSpec
220 func (x *Operator) Copy() Expression {  func
252 func (x *Variable) Copy() Expression {  func
276 func (x *Map) Copy() Expression {  func
370 func (x *List) Copy() Expression {  func
402 func (x *String) Copy() Expression {  func
428 func (x *Int64) Copy() Expression {  func
454 func (x *Bool) Copy() Expression {  func
546 func (n NotEvaluated) Copy() Expression {  func