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