allow access to injected item while creating filter text

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+# [0.5.0] - 2024-4-2
+
+## **Breaking Changes**
+
+* `Injector::push` now passes a reference to the push value to the closure generating the columns
+
+
 # [0.4.1] - 2024-3-11
 
 ## Bugfixes

Cargo.lock

@@ -152,7 +152,7 @@ dependencies = [
 
 [[package]]
 name = "nucleo"
-version = "0.4.0"
+version = "0.4.1"
 dependencies = [
  "nucleo-matcher",
  "parking_lot",

Cargo.toml

@@ -2,7 +2,7 @@
 name = "nucleo"
 description = "plug and play high performance fuzzy matcher"
 authors = ["Pascal Kuthe <pascalkuthe@pm.me>"]
-version = "0.4.1"
+version = "0.5.0"
 edition = "2021"
 license = "MPL-2.0"
 repository = "https://github.com/helix-editor/nucleo"

src/boxcar.rs

@@ -137,7 +137,7 @@ impl<T> Vec<T> {
     }
 
     /// Appends an element to the back of the vector.
-    pub fn push(&self, value: T, fill_columns: impl FnOnce(&mut [Utf32String])) -> u32 {
+    pub fn push(&self, value: T, fill_columns: impl FnOnce(&T, &mut [Utf32String])) -> u32 {
         let index = self.inflight.fetch_add(1, Ordering::Release);
         // the inflight counter is a `u64` to catch overflows of the vector'scapacity
         let index: u32 = index.try_into().expect("overflowed maximum capacity");
@@ -170,11 +170,11 @@ impl<T> Vec<T> {
             //
             // 2. any thread trying to `get` this entry will see `active == false`,
             // and will not try to access it
-            (*entry).slot.get().write(MaybeUninit::new(value));
             for col in Entry::matcher_cols_raw(entry, self.columns) {
                 col.get().write(MaybeUninit::new(Utf32String::default()))
             }
-            fill_columns(Entry::matcher_cols_mut(entry, self.columns));
+            fill_columns(&value, Entry::matcher_cols_mut(entry, self.columns));
+            (*entry).slot.get().write(MaybeUninit::new(value));
             // let other threads know that this entry is active
             (*entry).active.store(true, Ordering::Release);
         }

src/lib.rs

@@ -73,7 +73,7 @@ impl<T> Clone for Injector<T> {
 impl<T> Injector<T> {
     /// Appends an element to the list of matched items.
     /// This function is lock-free and wait-free.
-    pub fn push(&self, value: T, fill_columns: impl FnOnce(&mut [Utf32String])) -> u32 {
+    pub fn push(&self, value: T, fill_columns: impl FnOnce(&T, &mut [Utf32String])) -> u32 {
         let idx = self.items.push(value, fill_columns);
         (self.notify)();
         idx