Base command implementation without pre configured command's and option's.

Generates source code for interactive shell completions used in multiple shell's.

Generates well formatted and colored help output for specified command.

Argument details.

Command option options.

Completion options.

Completion settings.

Environment variable settings.

Environment variable options

Example settings.

Command option settings.

Result of cmd.parse() method.

Type settings.

Type options.

Action handler for commands and options.

Type parser method.

Default flag value

Description handler.

Value handler for custom value processing.

Custom type handler/parser.