From 4326ac3cd9a9a5263d191bce88bf4d62abf6ad81 Mon Sep 17 00:00:00 2001
From: Matthew Henderson <matthew.james.henderson@gmail.com>
Date: Tue, 20 Aug 2024 14:43:37 +0000
Subject: [PATCH] Import combn from utils.

---
 NAMESPACE        | 1 +
 R/unused-pairs.R | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/NAMESPACE b/NAMESPACE
index ebf3205..e17afda 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -10,3 +10,4 @@ export(n_filled_cells)
 export(unused_pairs)
 export(volume)
 importFrom(R6,R6Class)
+importFrom(utils,combn)
diff --git a/R/unused-pairs.R b/R/unused-pairs.R
index 3aaa4e7..43023e9 100644
--- a/R/unused-pairs.R
+++ b/R/unused-pairs.R
@@ -5,6 +5,8 @@
 #'
 #' @return A list of pairs not used in R.
 #' @export
+#' 
+#' @importFrom utils combn
 unused_pairs <- function(R, n) {
   
   used_pairs <- R |> dplyr::select(first, second)