Enum PlanError 

pub enum PlanError {
    Cycle(Vec<ActionId>),
    MissingDep {
        from: ActionId,
        to: ActionId,
    },
    Build(BuildError),
}

Errors raised while computing a Plan.

Variants

Cycle(Vec<ActionId>)

The action graph contains a cycle. Carries the unsettled node ids.

MissingDep

An action declares a dependency on an id not present in the action set.

Fields

from: ActionId

The action that declared the missing dep.

to: ActionId

The id that was not found.

Build(BuildError)

Underlying Action::input_hash failure.

Trait Implementations

impl Debug for PlanError

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

Formats the value using the given formatter.

impl Display for PlanError

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

Formats the value using the given formatter.

impl Error for PlanError

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 From<BuildError> for PlanError

fn from(source: BuildError) -> Self

Converts to this type from the input type.