pub struct ClosureConsideration<M = ()>(pub Box<dyn Fn(&M) -> Scalar + Send + Sync>);
Expand description

Consideration that wraps a closure.

Example

use emergent::prelude::*;

struct Memory { counter: usize }

let mut memory = Memory { counter: 10 };
let consideration = ClosureConsideration::new(
    |memory: &Memory| 1.0 / memory.counter as Scalar,
);
assert_eq!(consideration.score(&memory), 0.1);

Tuple Fields§

§0: Box<dyn Fn(&M) -> Scalar + Send + Sync>

Implementations§

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impl<M> ClosureConsideration<M>

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pub fn new<F>(f: F) -> Self
where F: Fn(&M) -> Scalar + 'static + Send + Sync,

Trait Implementations§

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impl<M> Consideration<M> for ClosureConsideration<M>

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fn score(&self, memory: &M) -> Scalar

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fn remap<T>(self, mapping: T) -> ConsiderationRemap<M, T>
where T: ScoreMapping, Self: Sized + 'static,

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impl<M> Debug for ClosureConsideration<M>

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

Formats the value using the given formatter. Read more

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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.