Enum PluginError 

#[non_exhaustive]
pub enum PluginError {
    Plugin {
        code: String,
        message: String,
        on_error_hint: Option<String>,
    },
    Trap(PluginTrap),
    Exhausted,
}

Structured error from a plugin invocation.

Plugin wraps an in-band WIT error returned by the guest. Trap indicates a guest trap or epoch timeout — its inner string carries the wasmtime trap message; the variant is #[source]- shaped via a thin wrapper below so vane_core::Error::with_source can attach the cause to the surrounding Error::middleware. Exhausted means all pooled instances are checked out.

#[non_exhaustive] so future plugin-runtime error classes (cpu budget, memory cap, deadline) can be added without breaking downstream match sites.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Plugin

Fields

code: String

message: String

on_error_hint: Option<String>

Trap(PluginTrap)

Exhausted

Implementations

impl PluginError

pub fn trap(message: impl Into<String>) -> Self

Convenience constructor for the Trap variant. Matches the prior PluginError::Trap(String) ergonomics so callers in the engine / wasm crates don’t have to know about the new PluginTrap wrapper.

Trait Implementations

impl Debug for PluginError

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

Formats the value using the given formatter.

impl Display for PluginError

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

Formats the value using the given formatter.

impl Error for PluginError

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.