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Define Command line arguments

Structs

Deprecated, replaced with Command

The abstract representation of a command line argument. Used to set all the options and relationships that define a valid argument for the program.

Family of related arguments.

Parse bool-like string values, everything else is true

Parse an ValueEnum value.

Parse false-like string values, everything else is true

Parse non-empty string values

A possible value of an argument.

Verify the value is from an enumerated set of PossibleValue.

Parse number that fall within a range of values

Parse number that fall within a range of values

Parse/validate argument values

Enums

Application level settings, which affect how Command operates

Behavior of arguments when they are encountered while parsing

Various settings that apply to arguments and may be set, unset, and checked via getter/setter methods Arg::setting, Arg::unset_setting, and Arg::is_set. This is what the Arg methods which accept a bool use internally.

Provide shell with hint on how to complete an argument.

Traits

Parse/validate argument values

Register a type with value_parser!

Type Definitions

Build a command-line interface.