Pattern

Enum Pattern 

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pub enum Pattern {
    Var(Option<Name>),
    Chn(Name),
    Ctr(Name, Vec<Pattern>),
    Num(u32),
    Fan(FanKind, Tag, Vec<Pattern>),
    Lst(Vec<Pattern>),
    Str(GlobalString),
}

Variants§

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Var(Option<Name>)

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Chn(Name)

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Ctr(Name, Vec<Pattern>)

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Num(u32)

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Fan(FanKind, Tag, Vec<Pattern>)

Either a tuple or a duplication

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Lst(Vec<Pattern>)

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Str(GlobalString)

Implementations§

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impl Pattern

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pub fn encode_builtins(&mut self)

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impl Pattern

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pub fn binds(&self) -> impl DoubleEndedIterator<Item = &Option<Name>> + Clone

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pub fn binds_mut( &mut self, ) -> impl DoubleEndedIterator<Item = &mut Option<Name>>

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pub fn children(&self) -> impl DoubleEndedIterator<Item = &Pattern> + Clone

Returns an iterator over each immediate child sub-pattern of self. Considers Lists as its own pattern and not a sequence of Cons.

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pub fn children_mut(&mut self) -> impl DoubleEndedIterator<Item = &mut Pattern>

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pub fn iter(&self) -> impl DoubleEndedIterator<Item = &Pattern> + Clone

Returns an iterator over each subpattern in depth-first, left to right order.

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pub fn is_wildcard(&self) -> bool

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pub fn to_term(&self) -> Term

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pub fn has_unscoped(&self) -> bool

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pub fn has_nested(&self) -> bool

Trait Implementations§

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impl Clone for Pattern

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fn clone(&self) -> Pattern

Returns a duplicate 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 Debug for Pattern

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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 Pattern

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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<Option<Name>> for Pattern

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fn from(value: Option<Name>) -> Self

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

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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 PartialEq for Pattern

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fn eq(&self, other: &Pattern) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for Pattern

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impl StructuralPartialEq for Pattern

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

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

Checks if this value is equivalent to the given key. 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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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

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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<'t, T> Place<'t, T> for T

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fn place(loaned: LoanedMut<'t, T>, place: &'t mut T)

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

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fn to_string(&self) -> String

Converts the given value to a String. 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.