From fc02a9e512df7ab601b4264274d4c0ad79244b9e Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@proton.me>
Date: Fri, 28 Feb 2025 18:10:39 -0500
Subject: [PATCH] use LazyLock instead of lazy_static

---
 Cargo.lock        | 7 -------
 Cargo.toml        | 1 -
 src/logic/move.rs | 6 ++----
 src/repr/board.rs | 9 +++------
 4 files changed, 5 insertions(+), 18 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 97d5429..8350392 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -310,12 +310,6 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "lazy_static"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
-
 [[package]]
 name = "libc"
 version = "0.2.170"
@@ -441,7 +435,6 @@ dependencies = [
  "criterion",
  "either",
  "indicatif",
- "lazy_static",
  "nohash-hasher",
  "num",
  "rand",
diff --git a/Cargo.toml b/Cargo.toml
index 0353088..f21c2cf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,6 @@ bitvec = { version = "1", optional = true }
 const_fn = "0.4"
 either = "1.13"
 indicatif = "0.17"
-lazy_static = "1.5"
 nohash-hasher = "0.2"
 num = "0.4"
 rand = "0.9"
diff --git a/src/logic/move.rs b/src/logic/move.rs
index c8742da..5584e12 100644
--- a/src/logic/move.rs
+++ b/src/logic/move.rs
@@ -1,6 +1,6 @@
 use super::board_value::BoardValueMap;
 use crate::repr::{Board, CoordPair, Piece, Winner};
-use lazy_static::lazy_static;
+use std::sync::LazyLock;
 
 #[derive(Clone, Debug)]
 pub struct Move {
@@ -35,9 +35,7 @@ pub struct Move {
     pub is_trimmed: bool,
 }
 
-lazy_static! {
-    static ref BVM: BoardValueMap = BoardValueMap::new();
-}
+static BVM: LazyLock<BoardValueMap> = LazyLock::new(|| BoardValueMap::new());
 
 impl Move {
     pub fn new(coord: Option<CoordPair>, board: Board, color: Piece, agent_color: Piece) -> Self {
diff --git a/src/repr/board.rs b/src/repr/board.rs
index d0a7ae6..5792ea0 100644
--- a/src/repr/board.rs
+++ b/src/repr/board.rs
@@ -5,8 +5,7 @@ use super::{
     CoordAxis, CoordPair,
 };
 use const_fn::const_fn;
-use lazy_static::lazy_static;
-use std::{cmp::Ordering, fmt};
+use std::{cmp::Ordering, fmt, sync::LazyLock};
 
 #[derive(PartialEq, Eq, Copy, Clone, Debug)]
 pub enum Winner {
@@ -15,10 +14,8 @@ pub enum Winner {
     None,
 }
 
-lazy_static! {
-    /// Precompute all possible chains for each position on the board
-    static ref ADJ_LOOKUP: PosMap<ChainCollection> = gen_adj_lookup();
-}
+/// Precompute all possible chains for each position on the board
+static ADJ_LOOKUP: LazyLock<PosMap<ChainCollection>> = LazyLock::new(|| gen_adj_lookup());
 
 /// Repersents a Othello game board at a certain space
 #[derive(Copy, Clone, PartialEq, Eq)]