Errors that occur during regular parsing */

Errors in map lookups */

An exception that indicates that the user has requested help */

Error that occurs when a singular flag is specified multiple times */

Errors that occur during usage */

Errors that are detected from group validation after parsing finishes */

The main user facing command line argument parser class */

Base class for all match types */

A flag class that simply counts the number of times it's matched */

A simple unified option type for unified initializer lists for the Matcher class. */

Base error class */

Error class, for when ARGS_NOEXCEPT is defined

Boolean argument matcher */

Base class for all flag options */

Class for all kinds of validating groups, including ArgumentParser */

Help flag class * * Works like a regular flag, but throws an instance of Help when it is matched */

A class of "matchers", specifying short and flags that can possibly be * matched. * * This is supposed to be constructed and then passe

Base class for all match types that have a name */

Base class for positional options */

Base class for value-accepting flag options */

forward struct declarations for libusb stuff */