Go back to std mutex, which will be significantly faster in rust 1.62

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "storage-path-generator"
 description = "A tool to generate efficient directory structures"
-version = "0.1.0"
+version = "0.1.1"
 authors = ["asonix <asonix@asonix.dog>"]
 license = "AGPL-3.0"
 repository = "https://git.asonix.dog/asonix/storage-path-generator"
@@ -10,4 +10,3 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-parking_lot = "0.11"

src/lib.rs

@@ -1,5 +1,7 @@
-use parking_lot::Mutex;
-use std::{convert::TryInto, sync::Arc};
+use std::{
+    convert::TryInto,
+    sync::{Arc, Mutex},
+};
 
 #[derive(Debug, Default, PartialEq, Eq, PartialOrd, Ord)]
 struct Inner {
@@ -59,7 +61,7 @@ impl Generator {
     }
 
     pub fn next(&self) -> Path {
-        let inner = self.current.lock().next();
+        let inner = self.current.lock().unwrap().next();
 
         Path { inner }
     }
@@ -140,3 +142,9 @@ impl std::fmt::Display for PathError {
 }
 
 impl std::error::Error for PathError {}
+
+impl Default for Generator {
+    fn default() -> Self {
+        Self::new()
+    }
+}