Trait FromWorld

pub trait FromWorld {
    // Required method
    fn from_world(world: &mut World) -> Self;
}

Creates an instance of the type this trait is implemented for using data from the supplied World.

This can be helpful for complex initialization or context-aware defaults.

Required Methods

fn from_world(world: &mut World) -> Self

Creates Self using data from the given World.

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.

Implementations on Foreign Types

impl FromWorld for Children

fn from_world(_world: &mut World) -> Children

impl FromWorld for Parent

fn from_world(_world: &mut World) -> Parent

Implementors

impl FromWorld for WorldId

impl<D, F> FromWorld for QueryState<D, F>

where D: QueryData, F: QueryFilter,

impl<Param> FromWorld for SystemState<Param>

where Param: SystemParam,

impl<T> FromWorld for T

where T: Default,