Enum NotInteractive 

pub enum NotInteractive {
    Terminal(Reason),
    NoDefault(Reason),
    NoPrompt,
    Invalid(String),
    Ended,
    Interrupted,
}

Why a component could not produce a value without a terminal.

Variants

Terminal(Reason)

The policy says to fail.

NoDefault(Reason)

The policy asked for a default and the component has none.

NoPrompt

The component has no line-based form.

Invalid(String)

The line-based form got something it could not use.

Ended

Input ended before an answer and the component has no default. degrade reports it as NotInteractive::NoDefault with the reason there is no terminal.

Interrupted

Ctrl+C at a line prompt read without echo. degrade reports it as Outcome::Interrupted.

Trait Implementations

impl Clone for NotInteractive

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NotInteractive

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

Formats the value using the given formatter.

impl Display for NotInteractive

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

Formats the value using the given formatter.

impl Eq for NotInteractive

impl Error for NotInteractive

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl PartialEq for NotInteractive

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for NotInteractive