Trait exprz::Expression[−][src]

pub trait Expression where
    Self: Into<Expr<Self>>, {
    type Atom;
    type Group: IntoIteratorGen<Self>;
    fn cases(&self) -> ExprRef<'_, Self>;
    fn from_atom(atom: Self::Atom) -> Self;
    fn from_group(group: Self::Group) -> Self;

#[must_use]    fn from_expr(expr: Expr<Self>) -> Self { ... }
    fn from_str(s: &str) -> Result<Self>
    where
        Self::Atom: FromIterator<char>,
        Self::Group: FromIterator<Self>,
    { ... }
#[must_use]    fn is_atom(&self) -> bool { ... }
#[must_use]    fn is_group(&self) -> bool { ... }
#[must_use]    fn atom(self) -> Option<Self::Atom> { ... }
#[must_use]    fn group(self) -> Option<Self::Group> { ... }
    fn unwrap_atom(self) -> Self::Atom { ... }
    fn unwrap_group(self) -> Self::Group { ... }
    fn empty_atom<T>() -> Self
    where
        Self::Atom: FromIterator<T>,
    { ... }
    fn empty_group() -> Self
    where
        Self::Group: FromIterator<Self>,
    { ... }
    fn default() -> Self
    where
        Self::Group: FromIterator<Self>,
    { ... }
    fn clone(&self) -> Self
    where
        Self::Atom: Clone,
        Self::Group: FromIterator<Self>,
    { ... }
    fn eq<E>(&self, other: &E) -> bool
    where
        E: Expression,
        Self::Atom: PartialEq<E::Atom>,
    { ... }
    fn is_subexpression<E>(&self, other: &E) -> bool
    where
        E: Expression,
        Self::Atom: PartialEq<E::Atom>,
    { ... }
    fn matches<P>(&self, pattern: P) -> bool
    where
        P: Pattern<Self>,
    { ... }
    fn matches_equal<P>(&self, pattern: &P) -> bool
    where
        P: Expression,
        P::Atom: PartialEq<Self::Atom>,
    { ... }
    fn matches_subexpression<P>(&self, pattern: &P) -> bool
    where
        P: Expression,
        P::Atom: PartialEq<Self::Atom>,
    { ... }
    fn matches_basic_shape<P>(&self, pattern: &P) -> bool
    where
        P: Expression<Atom = BasicShape>,
        P::Atom: PartialEq<Self::Atom>,
    { ... }
    fn matches_wildcard<W, P>(&self, is_wildcard: W, pattern: &P) -> bool
    where
        P: Expression,
        P::Atom: PartialEq<Self::Atom>,
        W: Fn(&P::Atom) -> bool,
    { ... }
    fn map<E, F>(self, f: F) -> E
    where
        Self::Group: IntoIterator<Item = Self>,
        E: Expression,
        E::Group: FromIterator<E>,
        F: FnMut(Self::Atom) -> E::Atom,
    { ... }
    fn map_ref<E, F>(&self, f: F) -> E
    where
        E: Expression,
        E::Group: FromIterator<E>,
        F: FnMut(&Self::Atom) -> E::Atom,
    { ... }
    fn substitute<F>(self, f: F) -> Self
    where
        Self::Group: FromIterator<Self> + IntoIterator<Item = Self>,
        F: FnMut(Self::Atom) -> Self,
    { ... }
    fn substitute_ref<F>(&self, f: F) -> Self
    where
        Self::Group: FromIterator<Self>,
        F: FnMut(&Self::Atom) -> Self,
    { ... }
}

Expression Trait

Associated Types

`type Atom`[src]

Atomic Element Type

`type Group: IntoIteratorGen<Self>`[src]

Group Expression Type

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Required methods

`fn cases(&self) -> ExprRef<'_, Self>`[src]

Get a reference to the underlying Expression type.

`fn from_atom(atom: Self::Atom) -> Self`[src]

Build an Expression from an atomic element.

`fn from_group(group: Self::Group) -> Self`[src]

Build an Expression from a grouped expression.

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Provided methods

`#[must_use]fn from_expr(expr: Expr<Self>) -> Self`[src]

Convert from the canonical enumeration.

`fn from_str(s: &str) -> Result<Self> where Self::Atom: FromIterator<char>, Self::Group: FromIterator<Self>,` [src]

This is supported on crate feature parse only.

Parse a string into an Expression.

`#[must_use]fn is_atom(&self) -> bool`[src]

Check if the Expression is atomic.

`#[must_use]fn is_group(&self) -> bool`[src]

Check if the Expression is a grouped expression.

`#[must_use]fn atom(self) -> Option<Self::Atom>`[src]

Converts from an Expression to an Option<E::Atom>.

`#[must_use]fn group(self) -> Option<Self::Group>`[src]

Converts from an Expression to an Option<E::Group>.

`fn unwrap_atom(self) -> Self::Atom`[src]

Returns the contained Atom value, consuming the self value.

Panics

Panics if the self value is a Group.

`fn unwrap_group(self) -> Self::Group`[src]

Returns the contained Group value, consuming the self value.

Panics

Panics if the self value is an Atom.

`fn empty_atom<T>() -> Self where Self::Atom: FromIterator<T>,` [src]

Build an empty atomic expression.

`fn empty_group() -> Self where Self::Group: FromIterator<Self>,` [src]

Build an empty grouped expression.

`fn default() -> Self where Self::Group: FromIterator<Self>,` [src]

Get the default value of an Expression: the empty group.

`fn clone(&self) -> Self where Self::Atom: Clone, Self::Group: FromIterator<Self>,` [src]

Clone an Expression that has Clone-able Atoms.

`fn eq<E>(&self, other: &E) -> bool where E: Expression, Self::Atom: PartialEq<E::Atom>,` [src]

Check if two Expressions are equal using PartialEq on their Atoms.