[chore] bump go structr cache version -> v0.6.0 (#2773)

* update go-structr library -> v0.6.0, add necessary wrapping types + code changes to support these changes

* update readme with go-structr package changes

* improved wrapping of the SliceCache type

* add code comments for the cache wrapper types

* remove test.out :innocent:

---------

Co-authored-by: tobi <31960611+tsmethurst@users.noreply.github.com>

1 files changed, 6 insertions, 32 deletions

diff --git a/internal/db/bundb/list.go b/internal/db/bundb/list.go
index fb97c8fe7..92936a49f 100644
--- a/internal/db/bundb/list.go
+++ b/internal/db/bundb/list.go
@@ -341,23 +341,10 @@ func (l *listDB) GetListEntries(ctx context.Context,
 }
 
 func (l *listDB) GetListsByIDs(ctx context.Context, ids []string) ([]*gtsmodel.List, error) {
-	// Preallocate at-worst possible length.
-	uncached := make([]string, 0, len(ids))
-
 	// Load all list IDs via cache loader callbacks.
-	lists, err := l.state.Caches.GTS.List.Load("ID",
-
-		// Load cached + check for uncached.
-		func(load func(keyParts ...any) bool) {
-			for _, id := range ids {
-				if !load(id) {
-					uncached = append(uncached, id)
-				}
-			}
-		},
-
-		// Uncached list loader function.
-		func() ([]*gtsmodel.List, error) {
+	lists, err := l.state.Caches.GTS.List.LoadIDs("ID",
+		ids,
+		func(uncached []string) ([]*gtsmodel.List, error) {
 			// Preallocate expected length of uncached lists.
 			lists := make([]*gtsmodel.List, 0, len(uncached))
 
@@ -401,23 +388,10 @@ func (l *listDB) GetListsByIDs(ctx context.Context, ids []string) ([]*gtsmodel.L
 }
 
 func (l *listDB) GetListEntriesByIDs(ctx context.Context, ids []string) ([]*gtsmodel.ListEntry, error) {
-	// Preallocate at-worst possible length.
-	uncached := make([]string, 0, len(ids))
-
 	// Load all entry IDs via cache loader callbacks.
-	entries, err := l.state.Caches.GTS.ListEntry.Load("ID",
-
-		// Load cached + check for uncached.
-		func(load func(keyParts ...any) bool) {
-			for _, id := range ids {
-				if !load(id) {
-					uncached = append(uncached, id)
-				}
-			}
-		},
-
-		// Uncached entry loader function.
-		func() ([]*gtsmodel.ListEntry, error) {
+	entries, err := l.state.Caches.GTS.ListEntry.LoadIDs("ID",
+		ids,
+		func(uncached []string) ([]*gtsmodel.ListEntry, error) {
 			// Preallocate expected length of uncached entries.
 			entries := make([]*gtsmodel.ListEntry, 0, len(uncached))