Common unitary_gate_op of type Qcircuit

from the theory of proveit.physics.quantum.circuits

import proveit
# Automation is not needed when only building an expression:
proveit.defaults.automation = False # This will speed things up.
proveit.defaults.inline_pngs = False # Makes files smaller.
%load_expr # Load the stored expression as 'stored_expr'
# import the special expression
from proveit.physics.quantum.circuits import unitary_gate_op

# check that the built expression is the same as the stored expression
assert unitary_gate_op == stored_expr
assert unitary_gate_op._style_id == stored_expr._style_id
print("Passed sanity check: unitary_gate_op matches stored_expr")

Passed sanity check: unitary_gate_op matches stored_expr

# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())

\begin{array}{c} \Qcircuit@C=1em @R=.7em{
\qin{\lvert \psi \rangle} & \gate{U} & \qout{U \thinspace \lvert \psi \rangle}
} \end{array}

stored_expr.style_options()

name	description	default	current value	related methods
spacing	change the spacing of a circuit using the format '@C=1em @R=.7em' where C is the column spacing and R is the row spacing	@C=1em @R=.7em	@C=1em @R=.7em

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	Operation	operator: 1 operands: 2
1	Literal
2	ExprTuple	3, 4, 5
3	ExprTuple	6
4	ExprTuple	7
5	ExprTuple	8
6	ExprRange	lambda_map: 9 start_index: 34 end_index: 35
7	ExprRange	lambda_map: 10 start_index: 34 end_index: 35
8	ExprRange	lambda_map: 11 start_index: 34 end_index: 35
9	Lambda	parameter: 33 body: 12
10	Lambda	parameter: 33 body: 13
11	Lambda	parameter: 33 body: 15
12	Operation	operator: 18 operands: 16
13	Operation	operator: 18 operands: 17
14	ExprTuple	33
15	Operation	operator: 18 operands: 19
16	NamedExprs	element: 20 targets: 23
17	NamedExprs	element: 21 targets: 23
18	Literal
19	NamedExprs	element: 22 targets: 23
20	Operation	operator: 24 operands: 25
21	Operation	operator: 26 operands: 27
22	Operation	operator: 28 operands: 29
23	Operation	operator: 30 operands: 31
24	Literal
25	NamedExprs	state: 39 part: 33
26	Literal
27	NamedExprs	operation: 38 part: 33
28	Literal
29	NamedExprs	state: 32 part: 33
30	Literal
31	ExprTuple	34, 35
32	Operation	operator: 36 operands: 37
33	Variable
34	Literal
35	Variable
36	Literal
37	ExprTuple	38, 39
38	Variable
39	Variable