Module clap

Command line parsing.

See crate ::clap.

Modules

• builder
  Define Command line arguments
• clap_derive
  clap_derive
• error
  Error reporting
• parser
  Command line argument parser

Macros

• arg
  Create an Arg from a usage string.
• command
  Requires cargo feature flag to be enabled.
• value_parser
  Select a ValueParser implementation from the intended type

Structs

• Arg
  The abstract representation of a command line argument. Used to set all the options and relationships that define a valid argument for the program.
• ArgGroup
  Family of related arguments.
• ArgMatches
  Container for parse results.
• Command
  Build a command-line interface.
• Id
  Arg or ArgGroup identifier

Enums

• ArgAction
  Behavior of arguments when they are encountered while parsing
• ColorChoice
  Represents the color preferences for program output
• ValueHint
  Provide shell with hint on how to complete an argument.

Traits

• Args
  Parse a set of arguments into a user-defined container.
• CommandFactory
  Create a Command relevant for a user-defined container.
• FromArgMatches
  Converts an instance of ArgMatches to a user-defined container.
• Parser
  Parse command-line arguments into Self.
• Subcommand
  Parse a sub-command into a user-defined enum.
• ValueEnum
  Parse arguments into enums.

Type Aliases

• Error
  Command Line Argument Parser Error

Derive Macros

• Args
  Generates the Args impl.
• Parser
  Generates the Parser implementation.
• Subcommand
  Generates the Subcommand impl.
• ValueEnum
  Generates the ValueEnum impl.