From a291d7fca4cba28fbb942fc7e5458297005dea8f Mon Sep 17 00:00:00 2001
From: Sebastian Zivota <loewenheim@mailbox.org>
Date: Wed, 25 Jun 2025 11:40:35 +0200
Subject: [PATCH] ref: Remove lazy_static dependency

---
 Cargo.lock     |  3 +--
 Cargo.toml     |  4 +---
 src/mapping.rs |  7 ++++---
 tests/basic.rs | 21 ++++++++++++---------
 tests/r8.rs    | 20 +++++++++++---------
 5 files changed, 29 insertions(+), 26 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index ee8633b..62f5d81 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "aho-corasick"
@@ -337,7 +337,6 @@ name = "proguard"
 version = "5.5.0"
 dependencies = [
  "criterion",
- "lazy_static",
  "thiserror",
  "uuid",
  "watto",
diff --git a/Cargo.toml b/Cargo.toml
index 1dfb82c..2b78a09 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,16 +11,14 @@ readme = "README.md"
 edition = "2021"
 
 [features]
-uuid = ["dep:uuid", "lazy_static"]
+uuid = ["dep:uuid"]
 
 [dependencies]
-lazy_static = { version = "1.4.0", optional = true }
 thiserror = "1.0.61"
 uuid = { version = "1.0.0", features = ["v5"], optional = true }
 watto = { version = "0.1.0", features = ["writer", "strings"] }
 
 [dev-dependencies]
-lazy_static = "1.4.0"
 criterion = "0.4"
 
 [[bench]]
diff --git a/src/mapping.rs b/src/mapping.rs
index bdafe5a..016cf23 100644
--- a/src/mapping.rs
+++ b/src/mapping.rs
@@ -224,9 +224,10 @@ impl<'s> ProguardMapping<'s> {
     /// The UUID is generated from a file checksum.
     #[cfg(feature = "uuid")]
     pub fn uuid(&self) -> Uuid {
-        lazy_static::lazy_static! {
-            static ref NAMESPACE: Uuid = Uuid::new_v5(&Uuid::NAMESPACE_DNS, b"guardsquare.com");
-        }
+        use std::sync::LazyLock;
+
+        static NAMESPACE: LazyLock<Uuid> =
+            LazyLock::new(|| Uuid::new_v5(&Uuid::NAMESPACE_DNS, b"guardsquare.com"));
         // this internally only operates on bytes, so this is safe to do
         Uuid::new_v5(&NAMESPACE, self.source)
     }
diff --git a/tests/basic.rs b/tests/basic.rs
index a2499e5..0b0a565 100644
--- a/tests/basic.rs
+++ b/tests/basic.rs
@@ -1,18 +1,21 @@
-use lazy_static::lazy_static;
+use std::sync::LazyLock;
 
 use proguard::{ProguardCache, ProguardMapper, ProguardMapping, StackFrame};
 
 static MAPPING: &[u8] = include_bytes!("res/mapping.txt");
-lazy_static! {
-    static ref MAPPING_WIN: Vec<u8> = MAPPING
+
+static MAPPING_WIN: LazyLock<Vec<u8>> = LazyLock::new(|| {
+    MAPPING
         .iter()
-        .flat_map(|&byte| if byte == b'\n' {
-            vec![b'\r', b'\n']
-        } else {
-            vec![byte]
+        .flat_map(|&byte| {
+            if byte == b'\n' {
+                vec![b'\r', b'\n']
+            } else {
+                vec![byte]
+            }
         })
-        .collect();
-}
+        .collect()
+});
 
 #[test]
 fn test_basic() {
diff --git a/tests/r8.rs b/tests/r8.rs
index 5cfdfc1..2d9e15d 100644
--- a/tests/r8.rs
+++ b/tests/r8.rs
@@ -1,4 +1,4 @@
-use lazy_static::lazy_static;
+use std::sync::LazyLock;
 
 use proguard::{ProguardMapper, ProguardMapping, StackFrame};
 
@@ -6,16 +6,18 @@ static MAPPING_R8: &[u8] = include_bytes!("res/mapping-r8.txt");
 static MAPPING_R8_SYMBOLICATED_FILE_NAMES: &[u8] =
     include_bytes!("res/mapping-r8-symbolicated_file_names.txt");
 
-lazy_static! {
-    static ref MAPPING_WIN_R8: Vec<u8> = MAPPING_R8
+static MAPPING_WIN_R8: LazyLock<Vec<u8>> = LazyLock::new(|| {
+    MAPPING_R8
         .iter()
-        .flat_map(|&byte| if byte == b'\n' {
-            vec![b'\r', b'\n']
-        } else {
-            vec![byte]
+        .flat_map(|&byte| {
+            if byte == b'\n' {
+                vec![b'\r', b'\n']
+            } else {
+                vec![byte]
+            }
         })
-        .collect();
-}
+        .collect()
+});
 
 #[test]
 fn test_basic_r8() {