Get the single measurement key for the given value.
cirq.measurement_key_name(
val: Any, default: Any = RaiseTypeErrorIfNotProvided
)
Args |
val
|
The value which has one measurement key.
|
default
|
Determines the fallback behavior when val doesn't have
a measurement key. If default is not set, a TypeError is raised.
If default is set to a value, that value is returned if the value
does not have _measurement_key_name_ .
|
Returns |
If val has a _measurement_key_name_ method and its result is not
NotImplemented , that result is returned. Otherwise, if a default
value was specified, the default value is returned.
|
Raises |
TypeError
|
val doesn't have a _measurement_keyname method (or that method
returned NotImplemented) and also no default value was specified.
|
ValueError
|
val has multiple measurement keys.
|