Enum LoadError 

pub enum LoadError<I: InterfaceData, P: PluginData> {
    InvalidSocket(I::Id),
    LoopDetected(I::Id),
    FailedCardinalityRequirements(InterfaceCardinality, usize),
    CorruptedInterfaceManifest(I::Error),
    CorruptedPluginManifest(P::Error),
    FailedToLoadComponent(Error),
    FailedToReadWasm(Error),
    FailedToLinkInterface(Error),
    FailedToLink(String, Error),
    AlreadyHandled,
}

Errors that can occur while loading and linking plugins.

Loading attempts to proceed gracefully, collecting errors and loading as many plugins as possible while adhering to cardinality constraints. These errors are returned via PartialResult from PluginTree::load.

Variants

InvalidSocket(I::Id)

A plugin references a socket (dependency) that doesn’t exist in the interface set.

LoopDetected(I::Id)

A dependency cycle was detected. Cycles are forbidden in the plugin graph.

FailedCardinalityRequirements(InterfaceCardinality, usize)

The number of plugins implementing an interface violates its cardinality. For example, ExactlyOne with 0 or 2+ plugins, or AtLeastOne with 0 plugins.

CorruptedInterfaceManifest(I::Error)

Failed to read interface metadata (e.g., couldn’t parse WIT or access data source).

CorruptedPluginManifest(P::Error)

Failed to read plugin metadata (e.g., couldn’t determine sockets or ID).

FailedToLoadComponent(Error)

Wasmtime failed to compile the WASM component (invalid binary or unsupported features).

FailedToReadWasm(Error)

I/O error reading the WASM binary.

FailedToLinkInterface(Error)

Failed to link the root interface into the plugin.

FailedToLink(String, Error)

Failed to link a specific function during socket wiring.

AlreadyHandled

Internal marker for errors that have already been reported.

Trait Implementations

impl<I: InterfaceData, P: PluginData> Debug for LoadError<I, P>

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

Formats the value using the given formatter.

impl<I: InterfaceData, P: PluginData> Display for LoadError<I, P>

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

Formats the value using the given formatter.

impl<I: InterfaceData, P: PluginData> Error for LoadError<I, P>

where Self: Debug + Display,

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.