pub enum Term {
    Variable(String),
    Integer(i64),
    Str(String),
    Date(u64),
    Bytes(Vec<u8>),
    Bool(bool),
    Set(BTreeSet<Term>),
    Parameter(String),
}
Expand description

Builder for a Datalog value

Variants§

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Variable(String)

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Integer(i64)

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Str(String)

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Date(u64)

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Bytes(Vec<u8>)

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Bool(bool)

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Set(BTreeSet<Term>)

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Parameter(String)

Trait Implementations§

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impl AsRef<Term> for Term

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fn as_ref(&self) -> &Term

Converts this type into a shared reference of the (usually inferred) input type.
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impl Clone for Term

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fn clone(&self) -> Term

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
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impl Convert<Term> for Term

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fn convert(&self, symbols: &mut SymbolTable) -> Term

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fn convert_from(f: &Term, symbols: &SymbolTable) -> Result<Self, Format>

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fn translate( f: &T, from_symbols: &SymbolTable, to_symbols: &mut SymbolTable ) -> Result<T, Format>

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impl Debug for Term

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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 Term

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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 From<&[u8]> for Term

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fn from(v: &[u8]) -> Self

Converts to this type from the input type.
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impl From<&Term> for Term

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fn from(i: &Term) -> Self

Converts to this type from the input type.
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impl From<&str> for Term

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fn from(s: &str) -> Self

Converts to this type from the input type.
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impl From<BTreeSet<Term, Global>> for Term

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fn from(value: BTreeSet<Term>) -> Term

Converts to this type from the input type.
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impl From<String> for Term

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fn from(s: String) -> Self

Converts to this type from the input type.
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impl From<SystemTime> for Term

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fn from(t: SystemTime) -> Self

Converts to this type from the input type.
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impl From<Term> for Term

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fn from(t: Term) -> Self

Converts to this type from the input type.
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impl From<Vec<u8, Global>> for Term

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fn from(v: Vec<u8>) -> Self

Converts to this type from the input type.
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impl From<bool> for Term

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fn from(b: bool) -> Self

Converts to this type from the input type.
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impl From<i64> for Term

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fn from(i: i64) -> Self

Converts to this type from the input type.
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impl Hash for Term

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for Term

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fn cmp(&self, other: &Term) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Selfwhere Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval. Read more
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impl PartialEq<Term> for Term

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fn eq(&self, other: &Term) -> 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 PartialOrd<Term> for Term

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fn partial_cmp(&self, other: &Term) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl<T: Ord + TryFrom<Term, Error = Token>> TryFrom<Term> for BTreeSet<T>

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type Error = Token

The type returned in the event of a conversion error.
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fn try_from(value: Term) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<Term> for String

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type Error = Token

The type returned in the event of a conversion error.
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fn try_from(value: Term) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<Term> for SystemTime

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type Error = Token

The type returned in the event of a conversion error.
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fn try_from(value: Term) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<Term> for Vec<u8>

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type Error = Token

The type returned in the event of a conversion error.
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fn try_from(value: Term) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<Term> for bool

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type Error = Token

The type returned in the event of a conversion error.
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fn try_from(value: Term) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<Term> for i64

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type Error = Token

The type returned in the event of a conversion error.
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fn try_from(value: Term) -> Result<Self, Self::Error>

Performs the conversion.
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impl Eq for Term

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impl StructuralEq for Term

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impl StructuralPartialEq for Term

Auto Trait Implementations§

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impl RefUnwindSafe for Term

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impl Send for Term

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impl Sync for Term

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impl Unpin for Term

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impl UnwindSafe for Term

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>,

const: unstable · source§

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<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere 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> 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.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V