Opaque

class hugr.tys.Opaque(id: str, bound: ~hugr._serialization.tys.TypeBound, args: list[~hugr.tys.TypeArg] = <factory>, extension: str = '')

Bases: Type

Opaque type, identified by id and with optional type arguments and bound.

Methods

resolve	Resolve the opaque type to an ExtType using the given registry.
type_arg	The TypeTypeArg for this type.
type_bound	The bound of this type.

Attributes

extension
id
bound
args

resolve(registry: ext.ExtensionRegistry) → Type

Resolve the opaque type to an ExtType using the given registry.

If the extension or type is not found, return the original type.

type_arg() → TypeTypeArg

The TypeTypeArg for this type.

Example

>>> Qubit.type_arg()
TypeTypeArg(ty=Qubit)

type_bound() → TypeBound

The bound of this type.

Example

>>> Tuple(Bool, Bool).type_bound()
<TypeBound.Copyable: 'C'>
>>> Tuple(Qubit, Bool).type_bound()
<TypeBound.Any: 'A'>