Struct OptionalDataFiles

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pub struct OptionalDataFiles { /* private fields */ }

Expand description

Helper type that implements DataFilesAvailability to signal underlying data files may be missing at runtime

Trait Implementations§

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impl DataFilesAvailability for OptionalDataFiles

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type Result<'err, T> = Result<T, &'err UnavailableProperty>

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fn map<T, U>( v: Self::Result<'_, T>, f: impl FnOnce(T) -> U, ) -> Self::Result<'_, U>

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fn zip<'err, T1, T2>( v1: Self::Result<'err, T1>, v2: Self::Result<'err, T2>, ) -> Self::Result<'err, (T1, T2)>

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fn make_result<T>(value: Self::Result<'_, T>) -> Result<T, &UnavailableProperty>

Auto Trait Implementations§

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impl UnwindSafe for OptionalDataFiles

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> CastableFrom<T> for T

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fn cast_from(value: T) -> T

Call Self as W

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impl<T, U> CastableInto for T
where U: CastableFrom<T>,

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fn cast(self) -> U

Call W::cast_from(self)

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impl<T> DowncastableFrom<T> for T

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fn downcast_from(value: T) -> T

Truncate the current UnsignedInt to a possibly smaller size

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impl<T, U> DowncastableInto for T
where U: DowncastableFrom<T>,

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fn downcast(self) -> U

Call W::downcast_from(self)

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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, W> HasTypeWitness<W> for T
where W: MakeTypeWitness<Arg = T>, T: ?Sized,

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const WITNESS: W = W::MAKE

A constant of the type witness

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

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const TYPE_EQ: TypeEq<T, <T as Identity>::Type> = TypeEq::NEW

Proof that Self is the same type as Self::Type, provides methods for casting between Self and Self::Type.

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type Type = T

The same type as Self, used to emulate type equality bounds (T == U) with associated type equality constraints (T: Identity<Type = U>).

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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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