Struct fall::Lit [−][src]
A literal value, e.g. foo
, bar(1, 2)
, or baz(X, a, X)
.
Methods
impl Lit
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impl Lit
pub fn functor(&self) -> (Arc<str>, usize)
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pub fn functor(&self) -> (Arc<str>, usize)
Returns the name and arity of the literal.
pub fn functor_b(&self) -> (&str, usize)
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pub fn functor_b(&self) -> (&str, usize)
Returns the name and arity of the literal.
Trait Implementations
impl Clone for Lit
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impl Clone for Lit
fn clone(&self) -> Lit
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fn clone(&self) -> Lit
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl Debug for Lit
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impl Debug for Lit
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl Eq for Lit
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impl Eq for Lit
impl Hash for Lit
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impl Hash for Lit
fn hash<__H: Hasher>(&self, state: &mut __H)
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fn hash<__H: Hasher>(&self, state: &mut __H)
Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl Ord for Lit
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impl Ord for Lit
fn cmp(&self, other: &Lit) -> Ordering
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fn cmp(&self, other: &Lit) -> Ordering
This method returns an Ordering
between self
and other
. Read more
fn max(self, other: Self) -> Self
1.21.0[src]
fn max(self, other: Self) -> Self
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.21.0[src]
fn min(self, other: Self) -> Self
Compares and returns the minimum of two values. Read more
impl PartialEq for Lit
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impl PartialEq for Lit
fn eq(&self, other: &Lit) -> bool
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fn eq(&self, other: &Lit) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &Lit) -> bool
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fn ne(&self, other: &Lit) -> bool
This method tests for !=
.
impl PartialOrd for Lit
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impl PartialOrd for Lit
fn partial_cmp(&self, other: &Lit) -> Option<Ordering>
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fn partial_cmp(&self, other: &Lit) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
fn lt(&self, other: &Lit) -> bool
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fn lt(&self, other: &Lit) -> bool
This method tests less than (for self
and other
) and is used by the <
operator. Read more
fn le(&self, other: &Lit) -> bool
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fn le(&self, other: &Lit) -> bool
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
fn gt(&self, other: &Lit) -> bool
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fn gt(&self, other: &Lit) -> bool
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
fn ge(&self, other: &Lit) -> bool
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fn ge(&self, other: &Lit) -> bool
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl Display for Lit
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impl Display for Lit