DT
Size: a a a
DT
DN
sum
только`$adder` и вызывает.$add($sum1, $sum2)
, $calculator->add($sum1, $sum2)
DN
$amount->add($other, $adder)->add($other2, $adder)
DT
$amount->add($other, $adder)->add($other2, $adder)
DN
add($other) { return new self($this->value+$other->value); }
VZ
BT
VZ
m
F
A
VZ
A
VZ
A
MM
VZ
MM