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add annotations for resolve container #193

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add annotations for resolve container #193

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6 changes: 4 additions & 2 deletions punq/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,12 @@
from collections import defaultdict
from enum import Enum
from importlib.metadata import PackageNotFoundError, version
from typing import Any, Callable, NamedTuple, get_type_hints
from typing import Any, Callable, NamedTuple, get_type_hints, TypeVar, Type

from ._compat import ensure_forward_ref, is_generic_list

T = TypeVar('T')

with contextlib.suppress(PackageNotFoundError):
__version__ = version(__name__)

Expand Down Expand Up @@ -508,7 +510,7 @@ def _resolve_impl(self, service_key, kwargs, context, default=None):

return self._build_impl(registration, kwargs, context)

def resolve(self, service_key, **kwargs):
def resolve(self, service_key: Type[T], **kwargs) -> T:
"""Build and return an instance of a registered service."""
context = self.registrations.build_context(service_key)

Expand Down