Initial import: grid-bot — grid trading bot for BTC-USDT on Cifra Markets

kronos-venv/lib/python3.12/site-packages/torch/utils/_thunk.py

@@ -0,0 +1,29 @@
+from collections.abc import Callable
+from typing import Generic, TypeVar
+
+
+R = TypeVar("R")
+
+
+class Thunk(Generic[R]):
+    """
+    A simple lazy evaluation implementation that lets you delay
+    execution of a function.  It properly handles releasing the
+    function once it is forced.
+    """
+
+    f: Callable[[], R] | None
+    r: R | None
+
+    __slots__ = ["f", "r"]
+
+    def __init__(self, f: Callable[[], R]) -> None:
+        self.f = f
+        self.r = None
+
+    def force(self) -> R:
+        if self.f is None:
+            return self.r  # type: ignore[return-value]
+        self.r = self.f()
+        self.f = None
+        return self.r