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RelationFacet

Struct RelationFacet 

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pub struct RelationFacet {
    pub name: String,
    pub cardinality: Cardinality,
    pub inverse: Option<String>,
    pub spanning: bool,
    pub pointer: bool,
    pub means: Option<String>,
}
Expand description

A relation field, with everything the vocabulary says about it.

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§name: String

The frontmatter key.

§cardinality: Cardinality

One target or a list of them.

§inverse: Option<String>

The reciprocal field prov maintains, when there is one.

§spanning: bool

The spanning containment backbone — the relation the workspace unfolds along. At most one relation in a workspace is this.

§pointer: bool

Set when this relation is one of the five pointers the root uses to find the workspace’s own machinery (config, registry, recycle_bin, history, about). Followed one way and only from the root: the target is not content, carries no back-link, and is not in the spanning tree.

§means: Option<String>

A human gloss of what the relation means, when the workspace declared one — or prov’s own for a preset relation it did not bother to declare. Carried by prov and never read back; here so a frontend can show it.

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impl Clone for RelationFacet

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fn clone(&self) -> RelationFacet

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for RelationFacet

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.