Struct multi_trait_object::MultitraitObject

pub struct MultitraitObject { /* private fields */ }

A container to store data with the associated type and trait objects allowing for casting down to traits or the concrete type

use multi_trait_object::prelude::*;
use std::fmt::{Debug, Display};

let mut mto = MultitraitObject::new(String::new());
register_traits!(mto, String, dyn Debug, dyn Display);

let debug = mto.downcast_trait::<dyn Debug>().unwrap();
println!("{:?}", debug);
let display = mto.downcast_trait::<dyn Display>().unwrap();
println!("{}", display);
let string = mto.downcast::<String>().unwrap();
println!("{}", string);

Implementations

impl MultitraitObject

pub fn new<T: 'static + Any>(value: T) -> Self

Creates a new multitrait object from the given value All traits except Any must be registered on this object in order to access them.

pub fn downcast_trait<T1: 'static + ?Sized>(&self) -> Option<&T1>

Downcasts the object into a reference of the given trait

pub fn downcast_trait_mut<T1: 'static + ?Sized>(&mut self) -> Option<&mut T1>

Downcasts the object into a mutable reference of the given trait

pub fn downcast_trait_boxed<T1: 'static + ?Sized>(self) -> Option<Box<T1>>

Downcasts the object to a boxed representation of the given trait

pub fn downcast_ref<T: Any>(&self) -> Option<&T>

Downcasts the object into a reference of the given type

pub fn downcast_mut<T: Any>(&mut self) -> Option<&mut T>

Downcasts the object into a mutable reference of the given type

pub fn downcast<T: Any>(self) -> Option<T>

Downcasts the object into the given concrete type

Trait Implementations

impl Debug for MultitraitObject

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

Formats the value using the given formatter.

impl Drop for MultitraitObject

fn drop(&mut self)

Executes the destructor for this type.