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What does the phrase std::string::npos mean in the following snippet of code?
found = str.find(str2);
if (found != std::string::npos)
std::cout << "first 'needle' found at: " << int(found) << std::endl;
It means not found.
It is usually defined like so:
It is better to compare to npos instead of -1 because the code is more legible.