Struct VmError 

pub struct VmError {
    pub message: String,
    pub span: Option<Span>,
}

A runtime VM error with an optional source span.

Fields

message: String

span: Option<Span>

Implementations

impl VmError

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

pub fn with_span(message: impl Into<String>, span: Span) -> Self

Creates a VM error with an associated source span.

Trait Implementations

impl Debug for VmError

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

Formats the value using the given formatter.

impl Display for VmError

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

Formats the value using the given formatter.

impl Error for VmError

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<&str> for VmError

fn from(message: &str) -> Self

Converts to this type from the input type.

impl From<String> for VmError

fn from(message: String) -> Self

Converts to this type from the input type.

impl From<VmError> for Error

fn from(source: VmError) -> Self

Converts to this type from the input type.