Struct snarkvm_polycommit::sonic_pc::verifier_key::prepared_verifier_key::PreparedVerifierKeyVar

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pub struct PreparedVerifierKeyVar<TargetCurve: PairingEngine, BaseCurve: PairingEngine, PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>> {
    pub prepared_g: Vec<PG::G1Gadget>,
    pub prepared_gamma_g: Vec<PG::G1Gadget>,
    pub prepared_h: PG::G2PreparedGadget,
    pub prepared_beta_h: PG::G2PreparedGadget,
    pub origin_vk: Option<VerifierKeyVar<TargetCurve, BaseCurve, PG>>,
}

Expand description

Var for the verification key of the Marlin-KZG10 polynomial commitment scheme.

Fields

prepared_g: Vec<PG::G1Gadget>

Generator of G1.

prepared_gamma_g: Vec<PG::G1Gadget>

The generator of G1 that is used for making a commitment hiding.

prepared_h: PG::G2PreparedGadget

Generator of G2.

prepared_beta_h: PG::G2PreparedGadget

Generator of G1, times first monomial.

origin_vk: Option<VerifierKeyVar<TargetCurve, BaseCurve, PG>>

If not a constant allocation, the original vk is attached (for computing the shift power series)

Implementations

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impl<TargetCurve, BaseCurve, PG> PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
 TargetCurve: PairingEngine,
 BaseCurve: PairingEngine,
 PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

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pub fn get_prepared_shift_power<CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
 &self,
 cs: CS,
 bound: &FpGadget<<BaseCurve as PairingEngine>::Fr>
) -> Result<PG::G2PreparedGadget, SynthesisError>

Find the appropriate shift for the degree bound.

Trait Implementations

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impl<TargetCurve, BaseCurve, PG> AllocGadget<PreparedVerifierKey<TargetCurve>, <BaseCurve as PairingEngine>::Fr> for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
 TargetCurve: PairingEngine,
 BaseCurve: PairingEngine,
 PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

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fn alloc_constant<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PreparedVerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

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fn alloc<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PreparedVerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

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fn alloc_input<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PreparedVerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

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fn alloc_checked<Fn, T, CS>(cs: CS, f: Fn) -> Result<Self, SynthesisError> where
 Fn: FnOnce() -> Result<T, SynthesisError>,
 T: Borrow<V>,
 CS: ConstraintSystem<F>,

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fn alloc_input_checked<Fn, T, CS>(cs: CS, f: Fn) -> Result<Self, SynthesisError> where
 Fn: FnOnce() -> Result<T, SynthesisError>,
 T: Borrow<V>,
 CS: ConstraintSystem<F>,

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impl<TargetCurve, BaseCurve, PG> AllocGadget<VerifierKey<TargetCurve>, <BaseCurve as PairingEngine>::Fr> for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
 TargetCurve: PairingEngine,
 BaseCurve: PairingEngine,
 PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

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fn alloc_constant<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<VerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
cs: CS,
value_gen: Fn
) -> Result<Self, SynthesisError>

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fn alloc<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<VerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

source

fn alloc_input<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<VerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

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fn alloc_checked<Fn, T, CS>(cs: CS, f: Fn) -> Result<Self, SynthesisError> where
 Fn: FnOnce() -> Result<T, SynthesisError>,
 T: Borrow<V>,
 CS: ConstraintSystem<F>,

source

fn alloc_input_checked<Fn, T, CS>(cs: CS, f: Fn) -> Result<Self, SynthesisError> where
 Fn: FnOnce() -> Result<T, SynthesisError>,
 T: Borrow<V>,
 CS: ConstraintSystem<F>,

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impl<TargetCurve, BaseCurve, PG> Clone for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
 TargetCurve: PairingEngine,
 BaseCurve: PairingEngine,
 PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

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fn clone(&self) -> Self

Returns a copy of the value. Read more

1.0.0 · source

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<TargetCurve, BaseCurve, PG> Into<VerifierKeyVar<TargetCurve, BaseCurve, PG>> for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
 TargetCurve: PairingEngine,
 BaseCurve: PairingEngine,
 PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

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fn into(self) -> VerifierKeyVar<TargetCurve, BaseCurve, PG>

Performs the conversion.

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impl<TargetCurve, BaseCurve, PG> PrepareGadget<PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG>, <BaseCurve as PairingEngine>::Fr> for VerifierKeyVar<TargetCurve, BaseCurve, PG> where
 TargetCurve: PairingEngine,
 BaseCurve: PairingEngine,
 PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

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fn prepare<CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
&self,
cs: CS
) -> Result<PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG>, SynthesisError>

Auto Trait Implementations

impl<TargetCurve, BaseCurve, PG> RefUnwindSafe for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
 <BaseCurve as PairingEngine>::Fr: RefUnwindSafe,
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G1Gadget: RefUnwindSafe,
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G2Gadget: RefUnwindSafe,
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G2PreparedGadget: RefUnwindSafe,

impl<TargetCurve, BaseCurve, PG> Send for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G1Gadget: Send,
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G2Gadget: Send,
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G2PreparedGadget: Send,

impl<TargetCurve, BaseCurve, PG> Sync for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G1Gadget: Sync,
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G2Gadget: Sync,
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G2PreparedGadget: Sync,

impl<TargetCurve, BaseCurve, PG> Unpin for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
 <BaseCurve as PairingEngine>::Fr: Unpin,
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G1Gadget: Unpin,
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G2Gadget: Unpin,
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G2PreparedGadget: Unpin,

impl<TargetCurve, BaseCurve, PG> UnwindSafe for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
 <BaseCurve as PairingEngine>::Fr: UnwindSafe,
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G1Gadget: UnwindSafe,
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G2Gadget: UnwindSafe,
 <PG as PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>>::G2PreparedGadget: UnwindSafe,

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

source

pub 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,

const: unstable · source

pub 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,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Performs the conversion.

source

impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Performs the conversion.

impl<T> Pointable for T

pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

pub unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

source

impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct snarkvm_polycommit::sonic_pc::verifier_key::prepared_verifier_key::PreparedVerifierKeyVar

Fields

Implementations

impl<TargetCurve, BaseCurve, PG> PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where TargetCurve: PairingEngine, BaseCurve: PairingEngine, PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

pub fn get_prepared_shift_power<CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>( &self, cs: CS, bound: &FpGadget<<BaseCurve as PairingEngine>::Fr>) -> Result<PG::G2PreparedGadget, SynthesisError>

Trait Implementations

impl<TargetCurve, BaseCurve, PG> AllocGadget<PreparedVerifierKey<TargetCurve>, <BaseCurve as PairingEngine>::Fr> for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where TargetCurve: PairingEngine, BaseCurve: PairingEngine, PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

fn alloc_constant<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PreparedVerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>( _cs: CS, _value_gen: Fn) -> Result<Self, SynthesisError>

fn alloc<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PreparedVerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>( _cs: CS, _value_gen: Fn) -> Result<Self, SynthesisError>

fn alloc_input<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PreparedVerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>( _cs: CS, _value_gen: Fn) -> Result<Self, SynthesisError>

fn alloc_checked<Fn, T, CS>(cs: CS, f: Fn) -> Result<Self, SynthesisError> where Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<V>, CS: ConstraintSystem<F>,

fn alloc_input_checked<Fn, T, CS>(cs: CS, f: Fn) -> Result<Self, SynthesisError> where Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<V>, CS: ConstraintSystem<F>,

impl<TargetCurve, BaseCurve, PG> AllocGadget<VerifierKey<TargetCurve>, <BaseCurve as PairingEngine>::Fr> for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where TargetCurve: PairingEngine, BaseCurve: PairingEngine, PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

fn alloc_constant<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<VerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>( cs: CS, value_gen: Fn) -> Result<Self, SynthesisError>

fn alloc<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<VerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>( _cs: CS, _value_gen: Fn) -> Result<Self, SynthesisError>

fn alloc_input<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<VerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>( _cs: CS, _value_gen: Fn) -> Result<Self, SynthesisError>

fn alloc_checked<Fn, T, CS>(cs: CS, f: Fn) -> Result<Self, SynthesisError> where Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<V>, CS: ConstraintSystem<F>,

fn alloc_input_checked<Fn, T, CS>(cs: CS, f: Fn) -> Result<Self, SynthesisError> where Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<V>, CS: ConstraintSystem<F>,

impl<TargetCurve, BaseCurve, PG> Clone for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where TargetCurve: PairingEngine, BaseCurve: PairingEngine, PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

fn clone(&self) -> Self

fn clone_from(&mut self, source: &Self)

impl<TargetCurve, BaseCurve, PG> Into<VerifierKeyVar<TargetCurve, BaseCurve, PG>> for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where TargetCurve: PairingEngine, BaseCurve: PairingEngine, PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

fn into(self) -> VerifierKeyVar<TargetCurve, BaseCurve, PG>

fn prepare<CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>( &self, cs: CS) -> Result<PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG>, SynthesisError>

Auto Trait Implementations

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T> Pointable for T

pub const ALIGN: usize

type Init = T

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

pub unsafe fn drop(ptr: usize)

impl<T> Same<T> for T

type Output = T

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for T where V: MultiLane<T>,

pub fn vzip(self) -> V

impl<TargetCurve, BaseCurve, PG> PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
TargetCurve: PairingEngine,
BaseCurve: PairingEngine,
PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

pub fn get_prepared_shift_power<CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
&self,
cs: CS,
bound: &FpGadget<<BaseCurve as PairingEngine>::Fr>
) -> Result<PG::G2PreparedGadget, SynthesisError>

impl<TargetCurve, BaseCurve, PG> AllocGadget<PreparedVerifierKey<TargetCurve>, <BaseCurve as PairingEngine>::Fr> for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
TargetCurve: PairingEngine,
BaseCurve: PairingEngine,
PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

fn alloc_constant<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PreparedVerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

fn alloc<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PreparedVerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

fn alloc_input<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PreparedVerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

fn alloc_checked<Fn, T, CS>(cs: CS, f: Fn) -> Result<Self, SynthesisError> where
Fn: FnOnce() -> Result<T, SynthesisError>,
T: Borrow<V>,
CS: ConstraintSystem<F>,

fn alloc_input_checked<Fn, T, CS>(cs: CS, f: Fn) -> Result<Self, SynthesisError> where
Fn: FnOnce() -> Result<T, SynthesisError>,
T: Borrow<V>,
CS: ConstraintSystem<F>,

impl<TargetCurve, BaseCurve, PG> AllocGadget<VerifierKey<TargetCurve>, <BaseCurve as PairingEngine>::Fr> for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
TargetCurve: PairingEngine,
BaseCurve: PairingEngine,
PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

fn alloc_constant<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<VerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
cs: CS,
value_gen: Fn
) -> Result<Self, SynthesisError>

fn alloc<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<VerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

fn alloc_input<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<VerifierKey<TargetCurve>>, CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

fn alloc_checked<Fn, T, CS>(cs: CS, f: Fn) -> Result<Self, SynthesisError> where
Fn: FnOnce() -> Result<T, SynthesisError>,
T: Borrow<V>,
CS: ConstraintSystem<F>,

fn alloc_input_checked<Fn, T, CS>(cs: CS, f: Fn) -> Result<Self, SynthesisError> where
Fn: FnOnce() -> Result<T, SynthesisError>,
T: Borrow<V>,
CS: ConstraintSystem<F>,

impl<TargetCurve, BaseCurve, PG> Clone for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
TargetCurve: PairingEngine,
BaseCurve: PairingEngine,
PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

impl<TargetCurve, BaseCurve, PG> Into<VerifierKeyVar<TargetCurve, BaseCurve, PG>> for PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG> where
TargetCurve: PairingEngine,
BaseCurve: PairingEngine,
PG: PairingGadget<TargetCurve, <BaseCurve as PairingEngine>::Fr>,

fn prepare<CS: ConstraintSystem<<BaseCurve as PairingEngine>::Fr>>(
&self,
cs: CS
) -> Result<PreparedVerifierKeyVar<TargetCurve, BaseCurve, PG>, SynthesisError>

impl<T> Any for T where
T: 'static + ?Sized,

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

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

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,