HelpCommand

Command to display help for commands.

class HelpCommand : Command {

}

Constructors

chain Command[] chain;: Chain of commands leading to this command.
name string name(): Gets the name of the command.
description Command description(string description): Sets the description of the command
description string description(): Gets the description of the command
findCommand const(Command) findCommand(string name, const(Command) root): Searches for a subcommand with the specified name.
add Command add(Command cmd): Adds a subcommand.
command Command command(Command cmd): Adds a subcommand.
add Command add(Option option): Adds an option.
add Command add(Flag flag): Adds a flag.
option Command option(string format, string description, string defaultValue): Adds an option or flag from formatted string.
add Command add(Argument arg): Adds an argument.
argument Command argument(string format, string description, string defaultValue): Adds an argument from formatted string.
action Command action(int delegate(ParsedArgs) action): Sets the action delegate to be executed for this command. The default action is to print help for the command.
usage string usage(bool colors): Gets the usage string for this command.
printHelp int printHelp(): Prints help for the command.
error void error(string description): Prints an error message to stderr.
error noreturn error(string description, int status): Prints an error message to stderr and exits with status.