Struct modus_lib::logic::Literal

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pub struct Literal<T = IRTerm> {
    pub positive: bool,
    pub position: Option<SpannedPosition>,
    pub predicate: Predicate,
    pub args: Vec<T>,
}

Fields

positive: bool

True if if this is a positive literal, else it’s a negated literal. Double negations should be collapsed, if any.

position: Option<SpannedPosition>predicate: Predicateargs: Vec<T>

Implementations

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pub fn unmangle(self) -> Literal

Unmangles this literal if it represents an operator. Replaces it’s predicate name and removes argument used for matching the operator.

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pub fn negated(&self) -> Literal

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impl<T> Literal<T>

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pub fn with_position(self, position: Option<SpannedPosition>) -> Literal<T>

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impl Literal<IRTerm>

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pub fn unify(&self, other: &Literal<IRTerm>) -> Option<Substitution<IRTerm>>

Trait Implementations

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impl<T: Clone> Clone for Literal<T>

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fn clone(&self) -> Literal<T>

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<T: Debug> Debug for Literal<T>

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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 Literal

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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 Literal<ModusTerm>

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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<Literal<ModusTerm>> for Literal

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fn from(modus_literal: Literal<ModusTerm>) -> Self

Performs the conversion.

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impl From<Literal<ModusTerm>> for Expression

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fn from(l: Literal<ModusTerm>) -> Self

Performs the conversion.

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impl FromStr for Literal

type Err = String

The associated error which can be returned from parsing.

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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more

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impl FromStr for Literal<ModusTerm>

type Err = String

The associated error which can be returned from parsing.

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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more

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impl Ground for Literal

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fn is_ground(&self) -> bool

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impl<T: Hash> Hash for Literal<T>

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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,

Feeds a slice of this type into the given Hasher. Read more

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impl<T: PartialEq> PartialEq<Literal<T>> for Literal<T>

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fn eq(&self, other: &Literal<T>) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &Literal<T>) -> bool

This method tests for !=.

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impl RenameWithSubstitution<IRTerm> for Literal<IRTerm>

type Output = Literal<IRTerm>

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fn rename_with_sub(&self) -> (Self::Output, Substitution<IRTerm>)

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impl Substitute<IRTerm> for Literal<IRTerm>

type Output = Literal

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fn substitute(&self, s: &Substitution<IRTerm>) -> Self::Output

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impl<T: Eq> Eq for Literal<T>

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impl<T> StructuralEq for Literal<T>

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impl<T> StructuralPartialEq for Literal<T>

Auto Trait Implementations

impl<T> RefUnwindSafe for Literal<T> where
T: RefUnwindSafe,

impl<T> Send for Literal<T> where
T: Send,

impl<T> Sync for Literal<T> where
T: Sync,

impl<T> Unpin for Literal<T> where
T: Unpin,

impl<T> UnwindSafe for Literal<T> where
T: UnwindSafe,

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub 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,

const: unstable · source

pub 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,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

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pub fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub 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,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

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pub default fn to_string(&self) -> String

Converts the given value to a String. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct modus_lib::logic::Literal

Fields

Implementations

impl Literal

pub fn signature(&self) -> Signature

pub fn variables(&self, include_anonymous: bool) -> HashSet<IRTerm>

pub fn unmangle(self) -> Literal

pub fn negated(&self) -> Literal

impl<T> Literal<T>

pub fn with_position(self, position: Option<SpannedPosition>) -> Literal<T>

impl Literal<IRTerm>

pub fn unify(&self, other: &Literal<IRTerm>) -> Option<Substitution<IRTerm>>

Trait Implementations

impl<T: Clone> Clone for Literal<T>

fn clone(&self) -> Literal<T>

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

impl<T: Debug> Debug for Literal<T>

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

impl Display for Literal

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

impl Display for Literal<ModusTerm>

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

impl From<Literal<ModusTerm>> for Literal

fn from(modus_literal: Literal<ModusTerm>) -> Self

impl From<Literal<ModusTerm>> for Expression

fn from(l: Literal<ModusTerm>) -> Self

impl FromStr for Literal

type Err = String

fn from_str(s: &str) -> Result<Self, Self::Err>

impl FromStr for Literal<ModusTerm>

type Err = String

fn from_str(s: &str) -> Result<Self, Self::Err>

impl Ground for Literal

fn is_ground(&self) -> bool

impl<T: Hash> Hash for Literal<T>

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

fn hash_slice<H>(data: &[Self], state: &mut H) where H: Hasher,

impl<T: PartialEq> PartialEq<Literal<T>> for Literal<T>

fn eq(&self, other: &Literal<T>) -> bool

fn ne(&self, other: &Literal<T>) -> bool

impl RenameWithSubstitution<IRTerm> for Literal<IRTerm>

type Output = Literal<IRTerm>

fn rename_with_sub(&self) -> (Self::Output, Substitution<IRTerm>)

impl Substitute<IRTerm> for Literal<IRTerm>

type Output = Literal

fn substitute(&self, s: &Substitution<IRTerm>) -> Self::Output

impl<T: Eq> Eq for Literal<T>

impl<T> StructuralEq for Literal<T>

impl<T> StructuralPartialEq for Literal<T>

Auto Trait Implementations

impl<T> RefUnwindSafe for Literal<T> where T: RefUnwindSafe,

impl<T> Send for Literal<T> where T: Send,

impl<T> Sync for Literal<T> where T: Sync,

impl<T> Unpin for Literal<T> where T: Unpin,

impl<T> UnwindSafe for Literal<T> where T: UnwindSafe,

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

pub fn borrow_mut(&mut self) -> &mut T

impl<Q, K> Equivalent<K> for Q where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

pub fn equivalent(&self, key: &K) -> bool

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

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

pub default fn to_string(&self) -> String

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

impl<T> RefUnwindSafe for Literal<T> where
T: RefUnwindSafe,

impl<T> Send for Literal<T> where
T: Send,

impl<T> Sync for Literal<T> where
T: Sync,

impl<T> Unpin for Literal<T> where
T: Unpin,

impl<T> UnwindSafe for Literal<T> where
T: UnwindSafe,

impl<T> Any for T where
T: 'static + ?Sized,

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

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

impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

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

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,