Remove WrapAsync code

shiny/_utils.py

@@ -279,60 +279,6 @@ async def fn_async(*args: P.args, **kwargs: P.kwargs) -> R:
  return fn_async
 
 
-# # TODO-barret-future; Q: Keep code?
-# class WrapAsync(Generic[P, R]):
-# """
-# Make a function asynchronous.
-
-# Parameters
-# ----------
-# fn
-# Function to make asynchronous.
-
-# Returns
-# -------
-# :
-# Asynchronous function (within the `WrapAsync` instance)
-# """
-
-# def __init__(self, fn: Callable[P, R] | Callable[P, Awaitable[R]]):
-# if isinstance(fn, WrapAsync):
-# fn = cast(WrapAsync[P, R], fn)
-# return fn
-# self._is_async = is_async_callable(fn)
-# self._fn = wrap_async(fn)
-
-# async def __call__(self, *args: P.args, **kwargs: P.kwargs) -> R:
-# """
-# Call the asynchronous function.
-# """
-# return await self._fn(*args, **kwargs)
-
-# @property
-# def is_async(self) -> bool:
-# """
-# Was the original function asynchronous?
-
-# Returns
-# -------
-# :
-# Whether the original function is asynchronous.
-# """
-# return self._is_async
-
-# @property
-# def fn(self) -> Callable[P, R] | Callable[P, Awaitable[R]]:
-# """
-# Retrieve the original function
-
-# Returns
-# -------
-# :
-# Original function supplied to the `WrapAsync` constructor.
-# """
-# return self._fn
-
-
 # This function should generally be used in this code base instead of
 # `iscoroutinefunction()`.
 def is_async_callable(

shiny/render/renderer/_renderer.py

@@ -336,9 +336,6 @@ def _auto_register(self) -> None:
  self._auto_registered = True
 
 
-# Not inheriting from `WrapAsync[[], IT]` as python 3.8 needs typing extensions that
-# doesn't support `[]` for a ParamSpec definition. :-( Would be minimal/clean if we
-# could do `class AsyncValueFn(WrapAsync[[], IT]):`
 class AsyncValueFn(Generic[IT]):
  """
  App-supplied output value function which returns type `IT`.