Struct SystemManager

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pub struct SystemManager {
    pub world: World,
    /* private fields */
}

Expand description

Manages systems for a World in multiple runlevels

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§world: World

The World

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impl SystemManager

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pub fn new(world: World) -> Self

Create new SystemManager

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pub fn has_runlevel(&self, level: usize) -> bool

Return whether runlevel level exists

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pub fn add_system<S: System>(&mut self, level: usize, system: S) -> usize

Add a System to runlevel level, return the system id

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pub fn remove_system<S: System>(&mut self, level: usize, system: usize)

Remove a System from runlevel level

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pub fn run_systems(&mut self, level: usize)

Run systems of in runlevel level

Auto Trait Implementations§

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impl !UnwindSafe for SystemManager

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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