[bugfix] self-referencing collection pages for status replies (#2364)

1 files changed, 17 insertions, 0 deletions

diff --git a/internal/paging/boundary.go b/internal/paging/boundary.go
index 15af65e0c..83d265515 100644
--- a/internal/paging/boundary.go
+++ b/internal/paging/boundary.go
@@ -131,3 +131,20 @@ func (b Boundary) Find(in []string) int {
 	}
 	return -1
 }
+
+// Boundary_FindFunc is functionally equivalent to Boundary{}.Find() but for an arbitrary type with ID.
+// Note: this is not a Boundary{} method as Go generics are not supported in method receiver functions.
+func Boundary_FindFunc[T any](b Boundary, in []T, get func(T) string) int { //nolint:revive
+	if get == nil {
+		panic("nil function")
+	}
+	if b.Value == "" {
+		return -1
+	}
+	for i := range in {
+		if get(in[i]) == b.Value {
+			return i
+		}
+	}
+	return -1
+}