Struct LazyGraphMetric

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pub struct LazyGraphMetric<T> { /* private fields */ }

Expand description

Lazy evaluation wrapper for expensive graph computations

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impl<T> LazyGraphMetric<T>
where T: Send + 'static,

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pub fn new<F>(_computefn: F) -> Self
where F: FnOnce() -> Result<T> + Send + 'static,

Create a new lazy metric

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pub fn get(&self) -> Result<&T>

Get the value, computing it if necessary (thread-safe)

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pub fn is_computed(&self) -> bool

Check if the value has been computed

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pub fn force(&self) -> Result<()>

Force computation if not already done

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pub fn try_get(&self) -> Option<Result<&T, &GraphError>>

Get the cached result if available, without triggering computation

Auto Trait Implementations§

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impl<T> !UnwindSafe for LazyGraphMetric<T>

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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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