This has to be recent then, both the above snippets do not produce that
deprecation warning on Nim 0.18.0 at play.nim-lang.org in the presence of
pragma experimental, while producing exactly that warning without experimental.
I'll check it again on devel when I get back to my machine. It seems i
Did you add the {.experimental.} pragma? That should remove the deprecation
warning, as that warning happens because () is experimental.
You can get this behaviour by overloading the experimental () operator on an
object type, like so:
{. experimental .}
import math
type
Callable = object
val: int
# Make the thing callable. Needs {. experimental .}
proc `()`(c: Callable; i:
