Trait gluon_vm::api::Userdata

pub trait Userdata: Downcast + Trace + Debug + Send + Sync {
    fn deep_clone<'gc>(
        &self, 
        deep_cloner: &'gc mut Cloner
    ) -> Result<GcRef<'gc, Box<dyn Userdata>>> { ... }
}

Provided methods

fn deep_clone<'gc>(
    &self,
    deep_cloner: &'gc mut Cloner
) -> Result<GcRef<'gc, Box<dyn Userdata>>>

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Methods

impl dyn Userdata

pub fn is<__T: Userdata>(&self) -> bool

Returns true if the trait object wraps an object of type __T.

pub fn downcast<__T: Userdata>(self: Box<Self>) -> Result<Box<__T>, Box<Self>>

Returns a boxed object from a boxed trait object if the underlying object is of type __T. Returns the original boxed trait if it isn't.

pub fn downcast_rc<__T: Userdata>(self: Rc<Self>) -> Result<Rc<__T>, Rc<Self>>

Returns an Rc-ed object from an Rc-ed trait object if the underlying object is of type __T. Returns the original Rc-ed trait if it isn't.

pub fn downcast_ref<__T: Userdata>(&self) -> Option<&__T>

Returns a reference to the object within the trait object if it is of type __T, or None if it isn't.

pub fn downcast_mut<__T: Userdata>(&mut self) -> Option<&mut __T>

Returns a mutable reference to the object within the trait object if it is of type __T, or None if it isn't.

Trait Implementations

impl PartialEq<dyn Userdata + 'static> for dyn Userdata

fn eq(&self, other: &dyn Userdata) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

Implementors

impl Userdata for DirEntry

impl Userdata for Metadata

impl Userdata for Thread

impl<T> Userdata for Receiver<T> where
    T: Any + Send + Sync + Debug, 

impl<T> Userdata for Sender<T> where
    T: Any + Send + Sync + Debug, 

impl<T> Userdata for Lazy<T> where
    T: Any + Send + Sync, 

fn deep_clone<'gc>(
    &self,
    deep_cloner: &'gc mut Cloner
) -> Result<GcRef<'gc, Box<dyn Userdata>>>

impl<T> Userdata for Reference<T> where
    T: Any + Send + Sync, 

fn deep_clone<'gc>(
    &self,
    deep_cloner: &'gc mut Cloner
) -> Result<GcRef<'gc, Box<dyn Userdata>>>

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