Trait ContextExt

pub trait ContextExt {
    // Required methods
    unsafe fn set_platform_data(&mut self, data: *mut c_void);
    unsafe fn get_platform_data(&self) -> *mut c_void;
    unsafe fn set_user_data(&mut self, data: u64);
    unsafe fn get_user_data(&self) -> u64;

    // Provided methods
    unsafe fn get_platform_data_as<T>(&self) -> *mut T { ... }
    unsafe fn set_platform_data_box<T>(&mut self, data: Box<T>) { ... }
    unsafe fn take_platform_data_box<T>(&mut self) -> Option<Box<T>> { ... }
    unsafe fn set_user_term(&mut self, term: Term) { ... }
    unsafe fn get_user_term(&self) -> Term { ... }
    fn has_platform_data(&self) -> bool { ... }
    fn has_user_data(&self) -> bool { ... }
}

Context extension trait for safe platform data management

Required Methods

unsafe fn set_platform_data(&mut self, data: *mut c_void)

Set platform-specific data in the context

unsafe fn get_platform_data(&self) -> *mut c_void

Get platform-specific data from the context

unsafe fn set_user_data(&mut self, data: u64)

Set user data (for storing Erlang terms as raw u64)

unsafe fn get_user_data(&self) -> u64

Get user data

Provided Methods

unsafe fn get_platform_data_as<T>(&self) -> *mut T

Safely cast platform data to a specific type

unsafe fn set_platform_data_box<T>(&mut self, data: Box<T>)

Safely set platform data from a boxed value

unsafe fn take_platform_data_box<T>(&mut self) -> Option<Box<T>>

Safely take ownership of platform data back as a box

unsafe fn set_user_term(&mut self, term: Term)

Set user data from a Term

unsafe fn get_user_term(&self) -> Term

Get user data as a Term

fn has_platform_data(&self) -> bool

Check if platform data is set

fn has_user_data(&self) -> bool

Check if user data is set

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl ContextExt for Context