Enum clap::ArgSettings [] [src]

pub enum ArgSettings {
    Required,
    Multiple,
    EmptyValues,
    Global,
    Hidden,
    TakesValue,
    UseValueDelimiter,
    NextLineHelp,
    RequireDelimiter,
    HidePossibleValues,
    AllowLeadingHyphen,
    RequireEquals,
    Last,
    HideDefaultValue,
    // some variants omitted
}

Various settings that apply to arguments and may be set, unset, and checked via getter/setter methods Arg::set, Arg::unset, and Arg::is_set

Variants

The argument must be used

The argument may be used multiple times such as --flag --flag

The argument allows empty values such as --option ""

The argument should be propagated down through all child [SubCommands]

The argument should not be shown in help text

The argument accepts a value, such as --option <value>

Determines if the argument allows values to be grouped via a delimter

Prints the help text on the line after the argument

Requires the use of a value delimiter for all multiple values

Hides the possible values from the help string

Allows vals that start with a '-'

Require options use --option=val syntax

Specifies that the arg is the last positional argument and may be accessed early via -- syntax

Hides the default value from the help string

Trait Implementations

impl Debug for ArgSettings
[src]

Formats the value using the given formatter.

impl PartialEq for ArgSettings
[src]

This method tests for self and other values to be equal, and is used by ==. Read more

This method tests for !=.

impl Copy for ArgSettings
[src]

impl Clone for ArgSettings
[src]

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

impl FromStr for ArgSettings
[src]

The associated error which can be returned from parsing.

Parses a string s to return a value of this type. Read more