boost/program_options
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Improve error reporting.

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The name of option is now shown in most cases when it's feasible, and
clarify of the error messages has been improved throughout.

Patch from Leo Goodstadt.


[SVN r77827]
This commit is contained in:
Vladimir Prus
2012-04-08 08:42:39 +00:00
parent ae0ecf6581
commit fd7b310993
16 changed files with 4957 additions and 491 deletions
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4
example/first.cpp
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@@ -20,7 +20,7 @@ int main(int ac, char* av[])
po::options_description desc("Allowed options");
desc.add_options()
("help", "produce help message")
("compression", po::value<int>(), "set compression level")
("compression", po::value<double>(), "set compression level")
;
po::variables_map vm;
@@ -34,7 +34,7 @@ int main(int ac, char* av[])
if (vm.count("compression")) {
cout << "Compression level was set to "
<< vm["compression"].as<int>() << ".\n";
<< vm["compression"].as<double>() << ".\n";
} else {
cout << "Compression level was not set.\n";
}