Enum Error

pub enum Error {
    Validation(String),
    Instantiation(String),
    Function(String),
    Table(String),
    Memory(String),
    Global(String),
    Value(String),
    Trap(Trap),
    Host(Box<dyn HostError>),
}

Internal interpreter error.

Variants

Validation(String)

Module validation error. Might occur only at load time.

Instantiation(String)

Error while instantiating a module. Might occur when provided with incorrect exports (i.e. linkage failure).

Function(String)

Function-level error.

Table(String)

Table-level error.

Memory(String)

Memory-level error.

Global(String)

Global-level error.

Value(String)

Value-level error.

Trap(Trap)

Trap.

Host(Box<dyn HostError>)

Custom embedder error.

Implementations

impl Error

pub fn as_host_error(&self) -> Option<&dyn HostError>

Returns HostError if this Error represents some host error.

I.e. if this error have variant Host or Trap with host error.

Trait Implementations

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

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

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

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<Error> for Error

fn from(e: Error) -> Error

Converts to this type from the input type.

impl From<Trap> for Error

fn from(e: Trap) -> Error

Converts to this type from the input type.

impl<U> From<U> for Error

where U: HostError + Sized,

fn from(e: U) -> Self

Converts to this type from the input type.

impl Into<String> for Error

fn into(self) -> String

Converts this type into the (usually inferred) input type.