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added usual operator

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This commit is contained in:
John Wiegley 2004-08-25 21:51:11 -04:00
parent ac000a67c4
commit 69bd31b4d0
4 changed files with 27 additions and 19 deletions
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11
amount.cc
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@ -276,11 +276,12 @@ amount_t& amount_t::operator=(const char * value)
// assignment operator // assignment operator
amount_t& amount_t::operator=(const amount_t& amt) amount_t& amount_t::operator=(const amount_t& amt)
{ {
if (amt.quantity) if (this != &amt) {
_copy(amt); if (amt.quantity)
else if (quantity) _copy(amt);
_clear(); else if (quantity)
_clear();
}
return *this; return *this;
} }

29
balance.h
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@ -70,11 +70,13 @@ class balance_t
// assignment operator // assignment operator
balance_t& operator=(const balance_t& bal) { balance_t& operator=(const balance_t& bal) {
amounts.clear(); if (this != &bal) {
for (amounts_map::const_iterator i = bal.amounts.begin(); amounts.clear();
i != bal.amounts.end(); for (amounts_map::const_iterator i = bal.amounts.begin();
i++) i != bal.amounts.end();
*this += (*i).second; i++)
*this += (*i).second;
}
return *this; return *this;
} }
balance_t& operator=(const amount_t& amt) { balance_t& operator=(const amount_t& amt) {
@ -452,15 +454,16 @@ class balance_pair_t
// assignment operator // assignment operator
balance_pair_t& operator=(const balance_pair_t& bal_pair) { balance_pair_t& operator=(const balance_pair_t& bal_pair) {
if (cost) { if (this != &bal_pair) {
delete cost; if (cost) {
cost = NULL; delete cost;
cost = NULL;
}
quantity = bal_pair.quantity;
if (bal_pair.cost)
cost = new balance_t(*bal_pair.cost);
} }
quantity = bal_pair.quantity;
if (bal_pair.cost)
cost = new balance_t(*bal_pair.cost);
return *this; return *this;
} }
balance_pair_t& operator=(const balance_t& bal) { balance_pair_t& operator=(const balance_t& bal) {

3
value.cc
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@ -22,6 +22,9 @@ void value_t::destroy()
value_t& value_t::operator=(const value_t& value) value_t& value_t::operator=(const value_t& value)
{ {
if (this == &value)
return *this;
destroy(); destroy();
switch (value.type) { switch (value.type) {
case BOOLEAN: case BOOLEAN:

3
walk.h
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@ -53,8 +53,9 @@ class compare_items {
assert(right); assert(right);
value_t left_result; value_t left_result;
sort_order->compute(left_result, details_t(left));
value_t right_result; value_t right_result;
sort_order->compute(left_result, details_t(left));
sort_order->compute(right_result, details_t(right)); sort_order->compute(right_result, details_t(right));
return left_result < right_result; return left_result < right_result;