Enum rkv::value::Type

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#[repr(u8)]
pub enum Type { Bool = 1, U64 = 2, I64 = 3, F64 = 4, Instant = 5, Uuid = 6, Str = 7, Json = 8, Blob = 9, }
Expand description

We define a set of types, associated with simple integers, to annotate values stored in LMDB. This is to avoid an accidental ‘cast’ from a value of one type to another. For this reason we don’t simply use deserialize from the bincode crate.

Variants§

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Bool = 1

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U64 = 2

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I64 = 3

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F64 = 4

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Instant = 5

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Uuid = 6

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Str = 7

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Json = 8

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Blob = 9

Implementations§

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impl Type

We use manual tagging, because https://github.com/serde-rs/serde/issues/610.

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pub fn from_tag(tag: u8) -> Result<Type, DataError>

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pub fn to_tag(self) -> u8

Trait Implementations§

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impl Debug for Type

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

Formats the value using the given formatter. Read more
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impl Display for Type

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

Formats the value using the given formatter. Read more
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impl PartialEq for Type

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fn eq(&self, other: &Type) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for Type

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impl StructuralEq for Type

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impl StructuralPartialEq for Type

Auto Trait Implementations§

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impl RefUnwindSafe for Type

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impl Send for Type

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impl Sync for Type

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impl Unpin for Type

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impl UnwindSafe for Type

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere 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 Twhere 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.