pub struct ResourceBlocks {
    pub shorthand_rules: HashMap<Term, Vec<ShorthandRule>>,
    pub actors: HashSet<Term>,
    pub resources: HashSet<Term>,
    /* private fields */
}

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§shorthand_rules: HashMap<Term, Vec<ShorthandRule>>

Map from resource (Symbol) to the shorthand rules declared in that resource’s block.

§actors: HashSet<Term>

Set of all resource block types declared as actors. Internally treated like a union type where all declared types are members of the union.

§resources: HashSet<Term>

Set of all resource block types declared as resources. Internally treated like a union type where all declared types are members of the union.

Implementations§

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impl ResourceBlocks

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pub fn new() -> Self

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pub fn clear(&mut self)

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pub fn get_relation_type_in_resource_block( &self, relation: &Term, resource: &Term ) -> PolarResult<&Term>

Look up relation in resource block and return its type.

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pub fn declarations(&self) -> &HashMap<Term, HashMap<Term, Declaration>>

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pub fn has_roles(&self) -> bool

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pub fn relation_tuples(&self) -> Vec<(&Term, &Term, &Term)>

Trait Implementations§

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impl Clone for ResourceBlocks

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fn clone(&self) -> ResourceBlocks

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Default for ResourceBlocks

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fn default() -> ResourceBlocks

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

Auto Trait 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> 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> 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 = 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 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.