func (v *Decimal) Set(value decimal.Decimal) (old decimal.Decimal) {
	old = v.value
	v.value = v.value.Add(value)
	return
}
// Set atomically stores <value> into t.value and returns the previous value of t.value.
Set atomically stores  into t.value and returns the previous value of t.value.
// Set atomically stores <value > into t . value and returns the previous value of t . value .
func (v *Decimal) Set(value decimal.Decimal) (old decimal.Decimal) {
	old = v.value
	v.value = v.value.Add(value)
	return
}
func ( v * Decimal ) Set ( value decimal . Decimal ) ( old decimal . Decimal ) { old = v . value v . value = v . value . Add ( value ) return }
Set atomically stores  into t.value and returns the previous value of t.value.
Set atomically stores into t . value and returns the previous value of t . value .