Struct muse_lang::runtime::exception::Exception

pub struct Exception { /* private fields */ }

A thrown exception.

An exception contains two pieces of data:

• a Value.
• a backtrace

Implementations

impl Exception

pub fn new(value: Value, vm: &mut VmContext<'_, '_>) -> Self

Returns a new exception with the current backtrace of the virtual machine.

pub const fn value(&self) -> Value

Returns the thrown value.

pub fn backtrace(&self) -> &[StackFrame]

Returns the list of recorded stack frames when this exception was thrown.

pub fn format( &self, sources: &Sources, context: &mut VmContext<'_, '_>, f: impl Write, ) -> Result

Displays this exception with its backtrace into f.

Trait Implementations

impl CustomType for Exception

fn muse_type(&self) -> &TypeRef

Returns the Muse type for this Rust type.

impl Debug for Exception

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

Formats the value using the given formatter.

impl Trace for Exception

const MAY_CONTAIN_REFERENCES: bool = true

If true, this type may contain references and should have its trace() function invoked during the collector’s “mark” phase.

fn trace(&self, tracer: &mut Tracer<'_>)

Traces all refrences that this value references.