src/tool.cpp
/**
 * Predicate indicating whether the arg is non-empty.
 */
Predicate indicating whether the arg is non-empty.
Predicate indicating whether the arg is non - empty .
bool Tool::Option::hasArg() const
{
    return (isSet() && !arg_.empty());
}
bool Tool :: Option :: hasArg ( ) const { return ( isSet ( ) && ! arg_ . empty ( ) ) ; }
Predicate indicating whether the arg is non-empty.
Predicate indicating whether the arg is non - empty .
// we only care about the argument if it is set.