cairo_lang_eq_solver::expr

Struct Expr

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pub struct Expr<Var: Clone + Debug + PartialEq + Eq + Hash> {
    pub const_term: i32,
    pub var_to_coef: OrderedHashMap<Var, i64>,
}
Expand description

An linear expression of variables.

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§const_term: i32

The constant term of the expression.

§var_to_coef: OrderedHashMap<Var, i64>

The coefficient for every variable in the expression.

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impl<Var: Clone + Debug + PartialEq + Eq + Hash> Expr<Var>

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pub fn from_const(const_term: i32) -> Self

Creates a cost expression based on const value only.

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pub fn from_var(var: Var) -> Self

Creates a cost expression based on variable only.

Trait Implementations§

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impl<Var: Clone + Debug + PartialEq + Eq + Hash> Add for Expr<Var>

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type Output = Expr<Var>

The resulting type after applying the + operator.
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fn add(self, other: Self) -> Self

Performs the + operation. Read more
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impl<Var: Clone + Clone + Debug + PartialEq + Eq + Hash> Clone for Expr<Var>

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fn clone(&self) -> Expr<Var>

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<Var: Debug + Clone + Debug + PartialEq + Eq + Hash> Debug for Expr<Var>

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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<Var: Clone + Debug + PartialEq + Eq + Hash> HasZero for Expr<Var>

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fn zero() -> Self

Returns the zero value for the type.
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impl<Var: PartialEq + Clone + Debug + PartialEq + Eq + Hash> PartialEq for Expr<Var>

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fn eq(&self, other: &Expr<Var>) -> 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<Var: Clone + Debug + PartialEq + Eq + Hash> Sub for Expr<Var>

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type Output = Expr<Var>

The resulting type after applying the - operator.
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fn sub(self, other: Self) -> Self

Performs the - operation. Read more
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impl<Var: Eq + Clone + Debug + PartialEq + Eq + Hash> Eq for Expr<Var>

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impl<Var: Clone + Debug + PartialEq + Eq + Hash> StructuralPartialEq for Expr<Var>

Auto Trait Implementations§

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impl<Var> Freeze for Expr<Var>

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impl<Var> RefUnwindSafe for Expr<Var>
where Var: RefUnwindSafe,

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impl<Var> Send for Expr<Var>
where Var: Send,

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impl<Var> Sync for Expr<Var>
where Var: Sync,

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impl<Var> Unpin for Expr<Var>
where Var: Unpin,

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impl<Var> UnwindSafe for Expr<Var>
where Var: UnwindSafe,

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, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> 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, 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.
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impl<T> Upcast<T> for T
where T: ?Sized,

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fn upcast(&self) -> &T

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

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fn upcast_mut(&mut self) -> &mut T