122 	Eval() Expression  methodSpec
203 func (x *Operator) Eval() Expression {  func
204 	return x.Value.Eval()
233 func (x *Variable) Eval() Expression {  func
234 	return x.Value.Eval()
261 func (x *Map) Eval() Expression {  func
319 func (x *List) Eval() Expression {  func
347 func (x *String) Eval() Expression {  func
373 func (x *Int64) Eval() Expression {  func
399 func (x *Bool) Eval() Expression {  func
498 func (n NotEvaluated) Eval() Expression {  func