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SystemDescriptor

Struct SystemDescriptor 

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pub struct SystemDescriptor<S: System + 'static> {
    pub system: S,
    pub label: Option<String>,
    pub befores: Vec<String>,
    pub afters: Vec<String>,
}
Expand description

Wraps a system with ordering metadata (label, before/after constraints).

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§system: S§label: Option<String>§befores: Vec<String>§afters: Vec<String>

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impl<S: System + 'static> SystemDescriptor<S>

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pub fn label(self, lbl: impl Into<String>) -> Self

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pub fn before(self, target: impl Into<String>) -> Self

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pub fn after(self, target: impl Into<String>) -> Self

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pub fn run_if<I2, C: Condition + 'static>( self, cond: impl IntoCondition<I2, Condition = C>, ) -> SystemDescriptor<ConditionalSystem<S, C>>

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impl<S: System + 'static> IntoScheduledSystem<DescMarker> for SystemDescriptor<S>

SystemDescriptor — carries label / before / after metadata.

Auto Trait Implementations§

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impl<S> Freeze for SystemDescriptor<S>
where S: Freeze,

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impl<S> RefUnwindSafe for SystemDescriptor<S>
where S: RefUnwindSafe,

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impl<S> Send for SystemDescriptor<S>
where S: Send,

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impl<S> Sync for SystemDescriptor<S>
where S: Sync,

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impl<S> Unpin for SystemDescriptor<S>
where S: Unpin,

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impl<S> UnsafeUnpin for SystemDescriptor<S>
where S: UnsafeUnpin,

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impl<S> UnwindSafe for SystemDescriptor<S>
where S: UnwindSafe,

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<U> 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, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.