Trait gdnative_core::object::AsArg

pub trait AsArg<T>: Sealed { }

Trait for safe conversion from Godot object references into API method arguments. This is a sealed trait with no public interface.

In order to enforce thread safety statically, the ability to be passed to the engine is only given to some reference types. Specifically, they are:

• All owned Ref<T, Unique> references. The Unique access is lost if passed into a method.
• Owned and borrowed Shared references, including temporary ones (TRef).

It's unsound to pass ThreadLocal references to the engine because there is no guarantee that the reference will stay on the same thread.

To explicitly pass a null reference to the engine, use Null::null or GodotObject::null.

Implementors

impl<'a, T, U> AsArg<U> for &'a Ref<T, Shared> where
    T: GodotObject + SubClass<U>,
    U: GodotObject, 

fn as_arg_ptr(&self) -> *mut godot_object

impl<'a, T, U> AsArg<U> for TRef<'a, T, Shared> where
    T: GodotObject + SubClass<U>,
    U: GodotObject, 

fn as_arg_ptr(&self) -> *mut godot_object

impl<'a, T: GodotObject> AsArg<T> for Null<T>

fn as_arg_ptr(&self) -> *mut godot_object

impl<T, U> AsArg<U> for Ref<T, Shared> where
    T: GodotObject + SubClass<U>,
    U: GodotObject, 

fn as_arg_ptr(&self) -> *mut godot_object

impl<T, U> AsArg<U> for Ref<T, Unique> where
    T: GodotObject + SubClass<U>,
    U: GodotObject, 

fn as_arg_ptr(&self) -> *mut godot_object

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