Enum halo2_proofs::plonk::Expression
source · [−]pub enum Expression<F> {
Constant(F),
Selector(Selector),
Fixed(FixedQuery),
Advice(AdviceQuery),
Instance(InstanceQuery),
Negated(Box<Expression<F>>),
Sum(Box<Expression<F>>, Box<Expression<F>>),
Product(Box<Expression<F>>, Box<Expression<F>>),
Scaled(Box<Expression<F>>, F),
}
Expand description
Low-degree expression representing an identity that must hold over the committed columns.
Variants
Constant(F)
This is a constant polynomial
Selector(Selector)
This is a virtual selector
Fixed(FixedQuery)
This is a fixed column queried at a certain relative location
Advice(AdviceQuery)
This is an advice (witness) column queried at a certain relative location
Instance(InstanceQuery)
This is an instance (external) column queried at a certain relative location
Negated(Box<Expression<F>>)
This is a negated polynomial
Sum(Box<Expression<F>>, Box<Expression<F>>)
This is the sum of two polynomials
Product(Box<Expression<F>>, Box<Expression<F>>)
This is the product of two polynomials
Scaled(Box<Expression<F>>, F)
This is a scaled polynomial
Implementations
sourceimpl<F: Field> Expression<F>
impl<F: Field> Expression<F>
sourcepub fn evaluate<T>(
&self,
constant: &impl Fn(F) -> T,
selector_column: &impl Fn(Selector) -> T,
fixed_column: &impl Fn(FixedQuery) -> T,
advice_column: &impl Fn(AdviceQuery) -> T,
instance_column: &impl Fn(InstanceQuery) -> T,
negated: &impl Fn(T) -> T,
sum: &impl Fn(T, T) -> T,
product: &impl Fn(T, T) -> T,
scaled: &impl Fn(T, F) -> T
) -> T
pub fn evaluate<T>(
&self,
constant: &impl Fn(F) -> T,
selector_column: &impl Fn(Selector) -> T,
fixed_column: &impl Fn(FixedQuery) -> T,
advice_column: &impl Fn(AdviceQuery) -> T,
instance_column: &impl Fn(InstanceQuery) -> T,
negated: &impl Fn(T) -> T,
sum: &impl Fn(T, T) -> T,
product: &impl Fn(T, T) -> T,
scaled: &impl Fn(T, F) -> T
) -> T
Evaluate the polynomial using the provided closures to perform the operations.
Trait Implementations
sourceimpl<F: Field> Add<Expression<F>> for Expression<F>
impl<F: Field> Add<Expression<F>> for Expression<F>
type Output = Expression<F>
type Output = Expression<F>
The resulting type after applying the +
operator.
sourcefn add(self, rhs: Expression<F>) -> Expression<F>
fn add(self, rhs: Expression<F>) -> Expression<F>
Performs the +
operation. Read more
sourceimpl<F: Clone> Clone for Expression<F>
impl<F: Clone> Clone for Expression<F>
sourcefn clone(&self) -> Expression<F>
fn clone(&self) -> Expression<F>
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl<F: Debug> Debug for Expression<F>
impl<F: Debug> Debug for Expression<F>
sourceimpl<F: Field> From<Expression<F>> for Constraint<F>
impl<F: Field> From<Expression<F>> for Constraint<F>
sourcefn from(poly: Expression<F>) -> Self
fn from(poly: Expression<F>) -> Self
Converts to this type from the input type.
sourceimpl<F: Field> From<Expression<F>> for Vec<Constraint<F>>
impl<F: Field> From<Expression<F>> for Vec<Constraint<F>>
sourcefn from(poly: Expression<F>) -> Self
fn from(poly: Expression<F>) -> Self
Converts to this type from the input type.
sourceimpl<F: Field> Mul<Expression<F>> for Expression<F>
impl<F: Field> Mul<Expression<F>> for Expression<F>
type Output = Expression<F>
type Output = Expression<F>
The resulting type after applying the *
operator.
sourcefn mul(self, rhs: Expression<F>) -> Expression<F>
fn mul(self, rhs: Expression<F>) -> Expression<F>
Performs the *
operation. Read more
sourceimpl<F: Field> Mul<F> for Expression<F>
impl<F: Field> Mul<F> for Expression<F>
type Output = Expression<F>
type Output = Expression<F>
The resulting type after applying the *
operator.
sourcefn mul(self, rhs: F) -> Expression<F>
fn mul(self, rhs: F) -> Expression<F>
Performs the *
operation. Read more
sourceimpl<F: Field> Neg for Expression<F>
impl<F: Field> Neg for Expression<F>
sourceimpl<F: Field> Sub<Expression<F>> for Expression<F>
impl<F: Field> Sub<Expression<F>> for Expression<F>
type Output = Expression<F>
type Output = Expression<F>
The resulting type after applying the -
operator.
sourcefn sub(self, rhs: Expression<F>) -> Expression<F>
fn sub(self, rhs: Expression<F>) -> Expression<F>
Performs the -
operation. Read more
Auto Trait Implementations
impl<F> RefUnwindSafe for Expression<F> where
F: RefUnwindSafe,
impl<F> Send for Expression<F> where
F: Send,
impl<F> Sync for Expression<F> where
F: Sync,
impl<F> Unpin for Expression<F> where
F: Unpin,
impl<F> UnwindSafe for Expression<F> where
F: UnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> FmtForward for T
impl<T> FmtForward for T
fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,
fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,
Causes self
to use its Binary
implementation when Debug
-formatted. Read more
fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,
fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,
Causes self
to use its Display
implementation when
Debug
-formatted. Read more
fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,
fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,
Causes self
to use its LowerExp
implementation when
Debug
-formatted. Read more
fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,
fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,
Causes self
to use its LowerHex
implementation when
Debug
-formatted. Read more
fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,
fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,
Causes self
to use its Octal
implementation when Debug
-formatted. Read more
fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,
fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,
Causes self
to use its Pointer
implementation when
Debug
-formatted. Read more
fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,
fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,
Causes self
to use its UpperExp
implementation when
Debug
-formatted. Read more
fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,
fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,
Causes self
to use its UpperHex
implementation when
Debug
-formatted. Read more
fn fmt_list(self) -> FmtList<Self> where
&'a Self: for<'a> IntoIterator,
fn fmt_list(self) -> FmtList<Self> where
&'a Self: for<'a> IntoIterator,
Formats each item in a sequence. Read more
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
impl<T> Pipe for T where
T: ?Sized,
impl<T> Pipe for T where
T: ?Sized,
fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
Pipes by value. This is generally the method you want to use. Read more
fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,
fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,
Borrows self
and passes that borrow into the pipe function. Read more
fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,
fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,
Mutably borrows self
and passes that borrow into the pipe function. Read more
fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,
fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,
Borrows self
, then passes self.borrow()
into the pipe function. Read more
fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> R where
Self: BorrowMut<B>,
B: 'a + ?Sized,
R: 'a,
fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> R where
Self: BorrowMut<B>,
B: 'a + ?Sized,
R: 'a,
Mutably borrows self
, then passes self.borrow_mut()
into the pipe
function. Read more
fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,
fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,
Borrows self
, then passes self.as_ref()
into the pipe function.
fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
Self: AsMut<U>,
U: 'a + ?Sized,
R: 'a,
fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
Self: AsMut<U>,
U: 'a + ?Sized,
R: 'a,
Mutably borrows self
, then passes self.as_mut()
into the pipe
function. Read more
fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: Deref<Target = T>,
T: 'a + ?Sized,
R: 'a,
fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
Self: Deref<Target = T>,
T: 'a + ?Sized,
R: 'a,
Borrows self
, then passes self.deref()
into the pipe function.
impl<T> Pointable for T
impl<T> Pointable for T
impl<T> Tap for T
impl<T> Tap for T
fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
Immutable access to the Borrow<B>
of a value. Read more
fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
Mutable access to the BorrowMut<B>
of a value. Read more
fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,
fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,
Immutable access to the AsRef<R>
view of a value. Read more
fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,
fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,
Mutable access to the AsMut<R>
view of a value. Read more
fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,
fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,
Immutable access to the Deref::Target
of a value. Read more
fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,
fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,
Mutable access to the Deref::Target
of a value. Read more
fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
Calls .tap()
only in debug builds, and is erased in release builds.
fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
Calls .tap_mut()
only in debug builds, and is erased in release
builds. Read more
fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow<B>,
B: ?Sized,
Calls .tap_borrow()
only in debug builds, and is erased in release
builds. Read more
fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut<B>,
B: ?Sized,
Calls .tap_borrow_mut()
only in debug builds, and is erased in release
builds. Read more
fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,
fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,
Calls .tap_ref()
only in debug builds, and is erased in release
builds. Read more
fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,
fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,
Calls .tap_ref_mut()
only in debug builds, and is erased in release
builds. Read more
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
fn vzip(self) -> V
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more