Enum OptionKind 

pub enum OptionKind {
    Flag,
    String,
    Int,
    Bool,
}

Declared shape of a user-defined command-line option. Register via crate::Installer::option; read parsed results via crate::Installer::get_option.

Variants

Flag

Presence-only switch. --name → true, absent → false.

String

String value. --name value or --name=value.

Int

Signed integer value. --name 42 or --name=42.

Bool

Explicit boolean. --name true|false|1|0|yes|no|on|off.

Trait Implementations

impl Clone for OptionKind

fn clone(&self) -> OptionKind

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for OptionKind

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for OptionKind

fn eq(&self, other: &OptionKind) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for OptionKind

impl Eq for OptionKind

impl StructuralPartialEq for OptionKind