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Template get #5

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19d2577
Added template function to obtain values without explicit cast
dm0 Jun 16, 2016
9dd9b08
Added test case for template version of get
dm0 Jun 16, 2016
6bb7d5b
Updated test to make it output the same text as before
dm0 Jun 16, 2016
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2 changes: 2 additions & 0 deletions OptionParser.h
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,8 @@ class Values {
bool is_set_by_user(const std::string& d) const { return _userSet.find(d) != _userSet.end(); }
void is_set_by_user(const std::string& d, bool yes);
Value get(const std::string& d) const { return (is_set(d)) ? Value((*this)[d]) : Value(); }
template<typename T>
T get(const std::string& d) const { return (is_set(d)) ? Value((*this)[d]) : T(); }

typedef std::list<std::string>::iterator iterator;
typedef std::list<std::string>::const_iterator const_iterator;
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3 changes: 2 additions & 1 deletion testprog.cpp
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Expand Up @@ -141,7 +141,8 @@ int main(int argc, char *argv[])
cout << "k: " << options["k"] << endl;
cout << "verbosity: " << options["verbosity"] << endl;
cout << "number: " << (int) options.get("number") << endl;
cout << "int: " << (int) options.get("int") << endl;
// test template getter
cout << "int: " << options.get<int>("int") << endl;
cout << "float: " << (float) options.get("float") << endl;
complex<double> c = 0;
if (options.is_set("complex")) {
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