External/cxxopts
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count arguments

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This commit is contained in:
Jarryd Beck 2016-01-22 17:44:00 +11:00
parent 3ce8cbd1ae
commit 81f1f440ed
1 changed files with 3 additions and 2 deletions
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5
src/example.cpp
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@ -41,7 +41,7 @@ int main(int argc, char* argv[])
("i,input", "Input", cxxopts::value<std::string>()) ("i,input", "Input", cxxopts::value<std::string>())
("o,output", "Output file", cxxopts::value<std::string>() ("o,output", "Output file", cxxopts::value<std::string>()
->default_value("a.out")->implicit_value("b.def"), "BIN") ->default_value("a.out")->implicit_value("b.def"), "BIN")
("positional", ("positional",
"Positional arguments: these are the arguments that are entered " "Positional arguments: these are the arguments that are entered "
"without an option", cxxopts::value<std::vector<std::string>>()) "without an option", cxxopts::value<std::vector<std::string>>())
("long-description", ("long-description",
@ -71,7 +71,8 @@ int main(int argc, char* argv[])
if (apple) if (apple)
{ {
std::cout << "Saw option ‘a’" << std::endl; std::cout << "Saw option ‘a’ " << options.count("a") << " times " <<
std::endl;
} }
if (options.count("b")) if (options.count("b"))