Struct CountingLoader

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pub struct CountingLoader {
    pub call_count: AtomicUsize,
}

Expand description

A loader that counts how many times load_batch is called.

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§call_count: AtomicUsize

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impl CountingLoader

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pub fn new() -> Self

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pub fn calls(&self) -> usize

Trait Implementations§

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impl BatchLoader for CountingLoader

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type Item = String

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fn load_batch( &self, keys: &[String], ) -> Result<HashMap<String, String>, BatchError>

Load multiple items at once. Returns a map from key to item. Keys not present in the returned map are treated as missing.

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impl Default for CountingLoader

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl UnwindSafe for CountingLoader

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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> AnyExt for T
where T: Any + ?Sized,

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fn is<T>(&self) -> bool
where T: Any + ?Sized,

Returns true if the this type is the same as T.

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fn downcast_ref<T>(&self) -> Option<&T>
where T: Any,

Returns Some reference to this value if it’s of type T, or None otherwise.

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fn downcast_mut<T>(&mut self) -> Option<&mut T>
where T: Any,

Returns Some mutable reference to this value if it’s of type T, or None otherwise.

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impl<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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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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