Enum Fallback 

pub enum Fallback {
    Prompt,
    Default,
    Error,
}

What to do when the terminal is not interactive.

Variants

Prompt

Ask line by line on stdin and stderr, through Component::prompt; a component without a line form uses its default instead.

Default

Return Component::default_value.

Error

Fail with NotInteractive::Terminal.

Trait Implementations

impl Clone for Fallback

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Fallback

impl Debug for Fallback

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

Formats the value using the given formatter.

impl Default for Fallback

fn default() -> Self

Returns the “default value” for a type.

impl Eq for Fallback

impl PartialEq for Fallback

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Fallback