typename std::enable_if<
std::is_integral<DestType>::value, DestType
>::type get_entry_as(
Config const& config, std::string const& key, DestType const& dflt)
{
return safe_lexical_cast(config.get_entry(key, dflt), dflt);
}
DestType get_entry_as(const Config& config, const std::string& key, const std::string& dflt)
{
return safe_lexical_cast(config.get_entry(key, dflt), safe_lexical_cast<DestType>(dflt));
}
typename boost::enable_if<boost::is_integral<DestType>, DestType>::type
get_entry_as(const Config& config, const std::string& key, const DestType& dflt)
{
return safe_lexical_cast(config.get_entry(key, dflt), dflt);
}
DestType get_entry_as(
Config const& config, std::string const& key, std::string const& dflt)
{
return safe_lexical_cast(config.get_entry(key, dflt),
safe_lexical_cast<DestType>(dflt));
}
