本文整理汇总了C++中tr1::shared_ptr::toString方法的典型用法代码示例。如果您正苦于以下问题：C++ shared_ptr::toString方法的具体用法？C++ shared_ptr::toString怎么用？C++ shared_ptr::toString使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类tr1::shared_ptr的用法示例。
在下文中一共展示了shared_ptr::toString方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
int main() {
vector< tr1::shared_ptr<AbstractNumber> > ansHistory;
vector<string> expHistory;
bool menuLoop = true;
int input = 0;
int setAns;
cout << "|||| WELCOME ||||" << endl;
cout << "|||| TO OUR ||||" << endl;
cout << "|||| CALCULATOR ||||" << endl;
cout << " _____________________ " << endl;
cout << "| _________________ |" << endl;
cout << "| | 0 | |" << endl;
cout << "| |_________________| |" << endl;
cout << "| ___ ___ ___ ___ |" << endl;
cout << "| | 7 | 8 | 9 | | + | |" << endl;
cout << "| |___|___|___| |___| |" << endl;
cout << "| | 4 | 5 | 6 | | - | |" << endl;
cout << "| |___|___|___| |___| |" << endl;
cout << "| | 1 | 2 | 3 | | x | |" << endl;
cout << "| |___|___|___| |___| |" << endl;
cout << "|_____________________|" << endl;
while (menuLoop)
{
cout << "\nPlease enter one of the options below: " << endl;
cout << "=================================================" << endl;
cout << "1. Compute New Expression |" << endl;
cout << "=================================================" << endl;
cout << "2. Help |" << endl;
cout << "=================================================" << endl;
cout << "3. Review Previous Expressions and Answers |" << endl;
cout << "=================================================" << endl;
cout << "4. Quit |" << endl;
cout << "=================================================\n" << endl;
cin>>input;
if ( !( (1 <= input) && (input <= 4) ) )
{
cin.clear();
while (cin.get() != '\n');
cout << "\nNot a valid menu option. Please enter 1, 2, 3, or 4." << endl;
continue;
}
switch (input)
{
case 1:
{
cin.ignore();
bool keepCompute = true;
while (keepCompute)
{
string input2;
cout << "Enter the expression to compute. (Type 'back' to go back to the main menu)" << endl;
getline(cin, input2);
if(input2 != "")
{
if (input2.find("back") != string::npos)
{
keepCompute = false;
}
else
{
try{
if(input2.rfind("ans") != std::string::npos)
{
unsigned found = input2.rfind("ans");
if (history == "")
history = "0";
input2.replace(found, std::string("ans").length(), "(" + history + ")");
tr1::shared_ptr<AbstractNumber> num(new SumExpression(input2,true));
historyAns = num->simplify();
cout << "Result: \n" << historyAns->toString() << endl;
ansHistory.push_back(historyAns);
history = input2;
expHistory.push_back(history);
}
else
{
tr1::shared_ptr<AbstractNumber> num(new SumExpression(input2,true));
historyAns = num->simplify();
cout << "Result: \n" << historyAns->toString() << endl;
ansHistory.push_back(historyAns);
history = input2;
expHistory.push_back(history);
}
}
catch(exception &msg)
{
cout << "***ERROR: "<< msg.what() << "***" << endl;
//.........这里部分代码省略.........