Revert "Garbage test"

This reverts commit 418f02b.

Author: laurmaedje

Cargo.toml

@@ -46,6 +46,7 @@ testing = []
 comemo-macros = { workspace = true, optional = true }
 parking_lot = { workspace = true }
 siphasher = { workspace = true }
+bumpalo = "*"
 slab =  { workspace = true }
 
 [dev-dependencies]

src/arena.rs

@@ -1,11 +1,11 @@
 use std::sync::LazyLock;
 use std::sync::atomic::{AtomicUsize, Ordering};
 
+use bumpalo::Bump;
 use parking_lot::{Mutex, RwLock};
 use siphasher::sip128::{Hasher128, SipHasher13};
 
 use crate::accelerate;
-use crate::arena::Arena;
 use crate::call::Call;
 use crate::calltree::{CallSequence, CallTree, InsertError};
 use crate::input::Input;
@@ -37,7 +37,7 @@ impl<C> Default for Recording<C> {
 pub fn memoized<'c, In, Out, F>(
     mut input: In,
     list: &'c Mutex<Recording<In::Call>>,
-    bump: &'c Arena,
+    bump: &'c Bump,
     cache: &Cache<In::Call, Out>,
     enabled: bool,
     func: F,

src/cache.rs

@@ -1,6 +1,7 @@
 use std::hash::{Hash, Hasher};
 
-use crate::arena::Arena;
+use bumpalo::Bump;
+
 use crate::call::Call;
 use crate::track::{Track, Tracked, TrackedMut};
 
@@ -40,7 +41,7 @@ pub trait Input {
     fn retrack<'r>(
         self,
         sink: impl Fn(Self::Call, u128) -> bool + Copy + Send + Sync + 'r,
-        b: &'r Arena,
+        b: &'r Bump,
     ) -> Self::WithLifetime<'r>
     where
         Self: 'r;
@@ -79,7 +80,7 @@ impl<T: Hash> Input for T {
     fn retrack<'r>(
         self,
         _: impl Fn(Self::Call, u128) -> bool + Copy + Send + Sync + 'r,
-        _: &'r Arena,
+        _: &'r Bump,
     ) -> Self::WithLifetime<'r>
     where
         Self: 'r,
@@ -135,7 +136,7 @@ where
     fn retrack<'r>(
         self,
         sink: impl Fn(Self::Call, u128) -> bool + Copy + Send + Sync + 'r,
-        b: &'r Arena,
+        b: &'r Bump,
     ) -> Self::WithLifetime<'r>
     where
         Self: 'r,
@@ -199,7 +200,7 @@ where
     fn retrack<'r>(
         self,
         sink: impl Fn(Self::Call, u128) -> bool + Copy + Send + Sync + 'r,
-        b: &'r Arena,
+        b: &'r Bump,
     ) -> Self::WithLifetime<'r>
     where
         Self: 'r,
@@ -260,7 +261,7 @@ macro_rules! multi {
                 fn retrack<'r>(
                     self,
                     sink: impl Fn(Self::Call, u128)-> bool  + Copy + Send + Sync + 'r,
-                    bump: &'r Arena,
+                    bump: &'r Bump,
                 ) -> Self::WithLifetime<'r>
                 where
                     Self: 'r,

src/input.rs

@@ -89,7 +89,6 @@ For the full example see [`examples/calc.rs`][calc].
 */
 
 mod accelerate;
-mod arena;
 mod cache;
 mod call;
 mod calltree;