package statements type AmountStatement struct { IStatement _value float64 _unit string _func *FunctionStatement } func ( this *AmountStatement ) SetValue( v float64 ) { this._value = v } func ( this *AmountStatement ) Value() float64 { return this._value } func ( this *AmountStatement ) SetUnit( v string ) { this._unit = v } func ( this *AmountStatement ) Unit() string { return this._unit }