quant_iron::components::gate

Enum Gate

Source 
pub enum Gate {
    Operator(Box<dyn Operator>, Vec<usize>, Vec<usize>),
    Measurement(MeasurementBasis, Vec<usize>),
}
Expand description

Represents a quantum gate as part of a quantum circuit.

Variants§

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Operator(Box<dyn Operator>, Vec<usize>, Vec<usize>)

Represents an operator gate.

§Fields

  • operator - A boxed dynamic operator trait object.

  • target_indices - The indices of the qubits on which the operator acts.

  • control_indices - Optional control qubit indices for controlled gates. If empty, the gate is applied unconditionally.

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Measurement(MeasurementBasis, Vec<usize>)

Represents a measurement gate.

§Fields

  • MeasurementBasis - The basis of measurement (e.g., computational basis).
  • indices - The indices of the measured qubits.

Implementations§

Source§

impl Gate

Source

pub fn new_measurement( qubit_indices: Vec<usize>, basis: MeasurementBasis, ) -> Self

Creates a new measurement gate for the specified qubit indices.

§Arguments
  • qubit_indices - The indices of the qubits to be measured.
  • basis - The basis of measurement (e.g., computational basis).
§Returns
  • Gate - A new instance of the Gate struct representing a measurement gate.
Source

pub fn new_operator( operator: Box<dyn Operator>, target_indices: Vec<usize>, control_indices: Vec<usize>, ) -> Self

Creates a new operator gate for the specified qubit indices.

§Arguments

  • operator - A boxed dynamic operator trait object.

  • target_indices - The indices of the qubits on which the operator acts.

  • control_indices - Optional control qubit indices for controlled gates.

§Returns
  • Gate - A new instance of the Gate struct representing an operator gate.
Source

pub fn apply(&self, state: &State) -> Result<State, Error>

Applies the gate to the given state and returns the new state.

§Arguments
  • state - The quantum state to which the gate will be applied.
§Returns
  • State - The new quantum state after applying the gate.
Source

pub fn get_target_qubits(&self) -> &Vec<usize>

Returns the indices of the qubits on which the gate acts.

§Returns
  • &Vec<usize> - A vector of indices of the qubits on which the gate acts.
Source

pub fn get_control_qubits(&self) -> Option<&Vec<usize>>

Returns the control indices of the gate if it has any.

§Returns
  • Option<&Vec<usize>> - An optional vector of control indices.
Source

pub fn h_gate(qubit_index: usize) -> Self

Creates a new Hadamard gate for the specified qubit index.

§Arguments
  • qubit_index - The index of the qubit on which the Hadamard gate acts.
§Returns
  • Gate - A new instance of the Gate struct representing a Hadamard gate.
Source

pub fn h_multi_gate(qubit_indices: Vec<usize>) -> Vec<Self>

Creates new Hadamard gates for the specified qubit indices.

§Arguments
  • qubit_indices - The indices of the qubits on which the Hadamard gate acts.
§Returns
  • Gates - A vector of Gate structs representing Hadamard gates for each qubit index.
Source

pub fn h_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, ) -> Vec<Self>

Creates new controlled Hadamard gates for the specified qubit indices.

§Arguments
  • target_indices - The indices of the target qubits.
  • control_indices - The indices of the control qubits.
§Returns
  • Gates - A vector of Gate structs representing controlled Hadamard gates for each target qubit index.
Source

pub fn x_gate(qubit_index: usize) -> Self

Creates a new Pauli-X gate for the specified qubit index.

§Arguments
  • qubit_index - The index of the qubit on which the Pauli-X gate acts.
§Returns
  • Gate - A new instance of the Gate struct representing a Pauli-X gate.
Source

pub fn x_multi_gate(qubit_indices: Vec<usize>) -> Vec<Self>

Creates new controlled Pauli-X gates for the specified qubit indices.

§Arguments
  • qubit_indices - The indices of the qubits on which the Pauli-X gates act.
§Returns
  • Vec<Gate> - A vector of Gate structs representing Pauli-X gates for each qubit index.
Source

pub fn x_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, ) -> Vec<Self>

Creates new Pauli-X gates for the specified qubit indices with control qubits.

§Arguments

  • target_indices - The indices of the target qubits.

  • control_indices - The indices of the control qubits.

§Returns
  • Gates - A vector of Gate structs representing controlled Pauli-X gates for each target qubit index.
Source

pub fn y_gate(qubit_index: usize) -> Self

Creates a new Pauli-Y gate for the specified qubit index.

§Arguments
  • qubit_index - The index of the qubit on which the Pauli-Y gate acts.
§Returns
  • Gate - A new instance of the Gate struct representing a Pauli-Y gate.
Source

pub fn y_multi_gate(qubit_indices: Vec<usize>) -> Vec<Self>

Creates new Pauli-Y gates for the specified qubit indices.

§Arguments
  • qubit_indices - The indices of the qubits on which the Pauli-Y gates act.
§Returns
  • Vec<Gate> - A vector of Gate structs representing Pauli-Y gates for each qubit index.
Source

pub fn y_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, ) -> Vec<Self>

Creates new controlled Pauli-Y gates for the specified qubit indices.

§Arguments

  • target_indices - The indices of the target qubits.

  • control_indices - The indices of the control qubits.

§Returns
  • Gates - A vector of Gate structs representing controlled Pauli-Y gates for each target qubit index.
Source

pub fn z_gate(qubit_index: usize) -> Self

Creates a new Pauli-Z gate for the specified qubit index.

§Arguments
  • qubit_index - The index of the qubit on which the Pauli-Z gate acts.
§Returns
  • Gate - A new instance of the Gate struct representing a Pauli-Z gate.
Source

pub fn z_multi_gate(qubit_indices: Vec<usize>) -> Vec<Self>

Creates new Pauli-Z gates for the specified qubit indices.

§Arguments
  • qubit_indices - The indices of the qubits on which the Pauli-Z gates act.
§Returns
  • Vec<Gate> - A vector of Gate structs representing Pauli-Z gates for each qubit index.
Source

pub fn z_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, ) -> Vec<Self>

Creates new controlled Pauli-Z gates for the specified qubit indices.

§Arguments

  • target_indices - The indices of the target qubits.

  • control_indices - The indices of the control qubits.

§Returns
  • Gates - A vector of Gate structs representing controlled Pauli-Z gates for each target qubit index.
Source

pub fn i_gate(qubit_index: usize) -> Self

Creates a new Identity gate for the specified qubit index.

§Arguments
  • qubit_index - The index of the qubit on which the Identity gate acts.
§Returns
  • Gate - A new instance of the Gate struct representing an Identity gate.
Source

pub fn i_multi_gate(qubit_indices: Vec<usize>) -> Vec<Self>

Creates new Identity gates for the specified qubit indices.

§Arguments
  • qubit_indices - The indices of the qubits on which the Identity gates act.
§Returns
  • Vec<Gate> - A vector of Gate structs representing Identity gates for each qubit index.
Source

pub fn i_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, ) -> Vec<Self>

Creates new controlled Identity gates for the specified qubit indices.

§Arguments

  • target_indices - The indices of the target qubits.

  • control_indices - The indices of the control qubits.

§Returns
  • Gates - A vector of Gate structs representing controlled Identity gates for each target qubit index.
Source

pub fn s_gate(qubit_index: usize) -> Self

Creates a new Phase-S gate for the specified qubit index.

§Arguments
  • qubit_index - The index of the qubit on which the Phase-S gate acts.
§Returns
  • Gate - A new instance of the Gate struct representing a Phase-S gate.
Source

pub fn s_multi_gate(qubit_indices: Vec<usize>) -> Vec<Self>

Creates new Phase-S gates for the specified qubit indices.

§Arguments
  • qubit_indices - The indices of the qubits on which the Phase-S gates act.
§Returns
  • Vec<Gate> - A vector of Gate structs representing Phase-S gates for each qubit index.
Source

pub fn s_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, ) -> Vec<Self>

Creates new controlled Phase-S gates for the specified qubit indices.

§Arguments

  • target_indices - The indices of the target qubits.

  • control_indices - The indices of the control qubits.

§Returns
  • Gates - A vector of Gate structs representing controlled Phase-S gates for each target qubit index.
Source

pub fn s_dag_gate(qubit_index: usize) -> Self

Creates a new Phase-S dagger gate for the specified qubit index.

§Arguments
  • qubit_index - The index of the qubit on which the Phase-S dagger gate acts.
§Returns
  • Gate - A new instance of the Gate struct representing a Phase-S dagger gate.
Source

pub fn s_dag_multi_gate(qubit_indices: Vec<usize>) -> Vec<Self>

Creates new Phase-S dagger gates for the specified qubit indices.

§Arguments
  • qubit_indices - The indices of the qubits on which the Phase-S dagger gates act.
§Returns
  • Vec<Gate> - A vector of Gate structs representing Phase-S dagger gates for each qubit index.
Source

pub fn s_dag_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, ) -> Vec<Self>

Creates new controlled Phase-S dagger gates for the specified qubit indices.

§Arguments

  • target_indices - The indices of the target qubits.

  • control_indices - The indices of the control qubits.

§Returns
  • Gates - A vector of Gate structs representing controlled Phase-S dagger gates for each target qubit index.
Source

pub fn t_gate(qubit_index: usize) -> Self

Creates a new Phase-T gate for the specified qubit index.

§Arguments
  • qubit_index - The index of the qubit on which the Phase-T gate acts.
§Returns
  • Gate - A new instance of the Gate struct representing a Phase-T gate.
Source

pub fn t_multi_gate(qubit_indices: Vec<usize>) -> Vec<Self>

Creates new Phase-T gates for the specified qubit indices.

§Arguments
  • qubit_indices - The indices of the qubits on which the Phase-T gates act.
§Returns
  • Vec<Gate> - A vector of Gate structs representing Phase-T gates for each qubit index.
Source

pub fn t_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, ) -> Vec<Self>

Creates new controlled Phase-T gates for the specified qubit indices.

§Arguments

  • target_indices - The indices of the target qubits.

  • control_indices - The indices of the control qubits.

§Returns
  • Gates - A vector of Gate structs representing controlled Phase-T gates for each target qubit index.
Source

pub fn t_dag_gate(qubit_index: usize) -> Self

Creates a new Phase-T dagger gate for the specified qubit index.

§Arguments
  • qubit_index - The index of the qubit on which the Phase-T dagger gate acts.
§Returns
  • Gate - A new instance of the Gate struct representing a Phase-T dagger gate.
Source

pub fn t_dag_multi_gate(qubit_indices: Vec<usize>) -> Vec<Self>

Creates new Phase-T dagger gates for the specified qubit indices.

§Arguments
  • qubit_indices - The indices of the qubits on which the Phase-T dagger gates act.
§Returns
  • Vec<Gate> - A vector of Gate structs representing Phase-T dagger gates for each qubit index.
Source

pub fn t_dag_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, ) -> Vec<Self>

Creates new controlled Phase-T dagger gates for the specified qubit indices.

§Arguments

  • target_indices - The indices of the target qubits.

  • control_indices - The indices of the control qubits.

§Returns
  • Gates - A vector of Gate structs representing controlled Phase-T dagger gates for each target qubit index.
Source

pub fn p_gate(qubit_index: usize, angle: f64) -> Self

Creates a new Phase Shift (P) gate for the specified qubit index and angle.

§Arguments
  • qubit_index - The index of the qubit on which the Phase Shift gate acts.
  • angle - The phase shift angle in radians.
§Returns
  • Gate - A new instance of the Gate struct representing a Phase Shift gate.
Source

pub fn p_multi_gate(qubit_indices: Vec<usize>, angle: f64) -> Vec<Self>

Creates new Phase Shift (P) gates for the specified qubit indices and angle.

§Arguments
  • qubit_indices - The indices of the qubits on which the Phase Shift gates act.
  • angle - The phase shift angle in radians for all gates.
§Returns
  • Vec<Gate> - A vector of Gate structs representing Phase Shift gates for each qubit index.
Source

pub fn p_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, angle: f64, ) -> Vec<Self>

Creates new controlled Phase Shift (P) gates for the specified qubit indices and angle.

§Arguments
  • target_indices - The indices of the target qubits.
  • control_indices - The indices of the control qubits.
  • angle - The phase shift angle in radians for all gates.
§Returns
  • Gates - A vector of Gate structs representing controlled Phase Shift gates for each target qubit index.
Source

pub fn rx_gate(qubit_index: usize, angle: f64) -> Self

Creates a new RotateX (RX) gate for the specified qubit index and angle.

§Arguments
  • qubit_index - The index of the qubit on which the RotateX gate acts.
  • angle - The rotation angle in radians.
§Returns
  • Gate - A new instance of the Gate struct representing a RotateX gate.
Source

pub fn rx_multi_gate(qubit_indices: Vec<usize>, angle: f64) -> Vec<Self>

Creates new RotateX (RX) gates for the specified qubit indices and angle.

§Arguments
  • qubit_indices - The indices of the qubits on which the RotateX gates act.
  • angle - The rotation angle in radians for all gates.
§Returns
  • Vec<Gate> - A vector of Gate structs representing RotateX gates for each qubit index.
Source

pub fn rx_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, angle: f64, ) -> Vec<Self>

Creates new controlled RotateX (RX) gates for the specified qubit indices and angle.

§Arguments
  • target_indices - The indices of the target qubits.
  • control_indices - The indices of the control qubits.
  • angle - The rotation angle in radians for all gates.
§Returns
  • Gates - A vector of Gate structs representing controlled RotateX gates for each target qubit index.
Source

pub fn ry_gate(qubit_index: usize, angle: f64) -> Self

Creates a new RotateY (RY) gate for the specified qubit index and angle.

§Arguments
  • qubit_index - The index of the qubit on which the RotateY gate acts.
  • angle - The rotation angle in radians.
§Returns
  • Gate - A new instance of the Gate struct representing a RotateY gate.
Source

pub fn ry_multi_gate(qubit_indices: Vec<usize>, angle: f64) -> Vec<Self>

Creates new RotateY (RY) gates for the specified qubit indices and angle.

§Arguments
  • qubit_indices - The indices of the qubits on which the RotateY gates act.
  • angle - The rotation angle in radians for all gates.
§Returns
  • Vec<Gate> - A vector of Gate structs representing RotateY gates for each qubit index.
Source

pub fn ry_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, angle: f64, ) -> Vec<Self>

Creates new controlled RotateY (RY) gates for the specified qubit indices and angle.

§Arguments
  • target_indices - The indices of the target qubits.
  • control_indices - The indices of the control qubits.
  • angle - The rotation angle in radians for all gates.
§Returns
  • Gates - A vector of Gate structs representing controlled RotateY gates for each target qubit index.
Source

pub fn rz_gate(qubit_index: usize, angle: f64) -> Self

Creates a new RotateZ (RZ) gate for the specified qubit index and angle.

§Arguments
  • qubit_index - The index of the qubit on which the RotateZ gate acts.
  • angle - The rotation angle in radians.
§Returns
  • Gate - A new instance of the Gate struct representing a RotateZ gate.
Source

pub fn rz_multi_gate(qubit_indices: Vec<usize>, angle: f64) -> Vec<Self>

Creates new RotateZ (RZ) gates for the specified qubit indices and angle.

§Arguments
  • qubit_indices - The indices of the qubits on which the RotateZ gates act.
  • angle - The rotation angle in radians for all gates.
§Returns
  • Vec<Gate> - A vector of Gate structs representing RotateZ gates for each qubit index.
Source

pub fn rz_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, angle: f64, ) -> Vec<Self>

Creates new controlled RotateZ (RZ) gates for the specified qubit indices and angle.

§Arguments
  • target_indices - The indices of the target qubits.
  • control_indices - The indices of the control qubits.
  • angle - The rotation angle in radians for all gates.
§Returns
  • Gates - A vector of Gate structs representing controlled RotateZ gates for each target qubit index.
Source

pub fn unitary2_gate( qubit_index: usize, unitary: [[Complex<f64>; 2]; 2], ) -> Result<Self, Error>

Creates a new Unitary2 gate for the specified qubit index and unitary matrix.

§Arguments
  • qubit_index - The index of the qubit on which the Unitary2 gate acts.
  • unitary - The unitary matrix to be applied.
§Returns
  • Result<Gate, Error> - A Gate struct representing a Unitary2 gate if the unitary is valid, else an error.
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pub fn unitary2_multi_gate( qubit_indices: Vec<usize>, unitary: [[Complex<f64>; 2]; 2], ) -> Result<Vec<Self>, Error>

Creates new Unitary2 gates for the specified qubit indices and unitary matrix.

§Arguments

  • qubit_indices - The indices of the qubits on which the Unitary2 gates act.

  • unitary - The unitary matrix to be applied.

§Returns
  • Result<Vec<Gate>, Error> - A vector of Gate structs representing Unitary2 gates for each qubit index if the unitary is valid,, else an error.
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pub fn unitary2_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, unitary: [[Complex<f64>; 2]; 2], ) -> Result<Vec<Self>, Error>

Creates new controlled Unitary2 gates for the specified qubit indices and unitary matrix.

§Arguments

  • target_indices - The indices of the target qubits.

  • control_indices - The indices of the control qubits.

  • unitary - The unitary matrix to be applied.

§Returns
  • Result<Vec, Error> - A vector of Gate structs representing controlled Unitary2 gates for each target qubit index if the unitary is valid, else an error.
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pub fn ry_phase_gate(qubit_index: usize, theta: f64, phi: f64) -> Self

Creates a new Unitary2 gate for the specified qubit index and unitary matrix using a rotation angle and phase shift. Unlike custom Unitary2 gates, the generated unitary matrix is guaranteed to be valid. Therefore, this method does not return an error.

§Arguments

  • qubit_index - The index of the qubit on which the Unitary2 gate acts.

  • theta - The rotation angle in radians.

  • phi - The phase shift in radians.

§Returns
  • Gate - A new instance of the Gate struct representing a Unitary2 gate.
Source

pub fn ry_phase_multi_gate( qubit_indices: Vec<usize>, theta: f64, phi: f64, ) -> Vec<Self>

Creates new Unitary2 gates for the specified qubit indices and unitary matrix using a rotation angle and phase shift. Unlike custom Unitary2 gates, the generated unitary matrix is guaranteed to be valid. Therefore, this method does not return an error.

§Arguments

  • qubit_indices - The indices of the qubits on which the Unitary2 gates act.

  • theta - The rotation angle in radians for all gates.

  • phi - The phase shift in radians for all gates.

§Returns
  • Vec - A vector of Gate structs representing Unitary2 gates for each qubit index.
Source

pub fn ry_phase_controlled_gates( target_indices: Vec<usize>, control_indices: Vec<usize>, theta: f64, phi: f64, ) -> Vec<Self>

Creates new controlled Unitary2 gates for the specified qubit indices and unitary matrix using a rotation angle and phase shift.

§Arguments

  • target_indices - The indices of the target qubits.

  • control_indices - The indices of the control qubits.

  • theta - The rotation angle in radians for all gates.

  • phi - The phase shift in radians for all gates.

§Returns
  • Vec - A vector of Gate structs representing controlled Unitary2 gates for each target qubit index.
Source

pub fn cnot_gate(target_index: usize, control_index: usize) -> Self

Creates a CNOT gate for the specified target and control qubit indices.

§Arguments

  • target_index - The index of the target qubit.

  • control_index - The index of the control qubit.

§Returns
  • Gate - A new instance of the Gate struct representing a CNOT gate.
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pub fn swap_gate(qubit1_index: usize, qubit2_index: usize) -> Self

Creates a new SWAP gate for the specified qubit index.

§Arguments
  • qubit1 - The index of the first qubit.
  • qubit2 - The index of the second qubit.
§Returns
  • Gate - A new instance of the Gate struct representing a SWAP gate.
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pub fn swap_controlled_gate( target_indices: Vec<usize>, control_indices: Vec<usize>, ) -> Self

Creates a new controlled SWAP gate for the specified target and control qubit indices.

§Arguments
  • target_indices - The indices of the target qubits.
  • control_indices - The indices of the control qubits.
§Returns
  • Gate - A new instance of the Gate struct representing a controlled SWAP gate.
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pub fn toffoli_gate(target_index: usize, control_indices: Vec<usize>) -> Self

Creates a new Toffoli gate for the specified target and control qubit indices.

§Arguments

  • target_index - The index of the target qubit.

  • control_indices - The indices of the control qubits.

§Returns
  • Gate - A new instance of the Gate struct representing a Toffoli gate.
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pub fn matchgate(target_index: usize, theta: f64, phi1: f64, phi2: f64) -> Self

Creates a new Matchgate with the specified qubit index and its adjacent as targets.

§Arguments
  • target_index - The index of the first target qubit. The second target qubit is assumed to be the next qubit.
  • theta - The angle of rotation in radians.
  • phi1 - The first phase shift in radians.
  • phi2 - The second phase shift in radians.
§Returns
  • Gate - A new instance of the Gate struct representing a Matchgate.
§Warning

This gate is not yet compilable to OpenQASM, since it requires advanced decomposition techniques.

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pub fn controlled_matchgate( target_index: usize, control_indices: Vec<usize>, theta: f64, phi1: f64, phi2: f64, ) -> Self

Creates a new controlled Matchgate with the specified qubit index and its adjacent as target qubits.

§Arguments
  • target_index - The index of the first target qubit. The second target qubit is assumed to be the next qubit.
  • control_indices - The indices of the control qubits.
  • theta - The angle of rotation in radians.
  • phi1 - The first phase shift in radians.
  • phi2 - The second phase shift in radians.
§Returns
  • Gate - A new instance of the Gate struct representing a controlled Matchgate.
§Warning

This gate is not yet compilable to OpenQASM, since it requires advanced decomposition techniques.

Trait Implementations§

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impl Clone for Gate

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fn clone(&self) -> Gate

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 Gate

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl Freeze for Gate

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impl !RefUnwindSafe for Gate

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impl Send for Gate

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impl Sync for Gate

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impl Unpin for Gate

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impl !UnwindSafe for Gate

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where T: ?Sized,

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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)
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