Remove container_has_child

In all cases you can use container_has_ancestor with the arguments
swapped, which is faster than container_has_child.

1 files changed, 0 insertions, 6 deletions

diff --git a/include/sway/tree/container.h b/include/sway/tree/container.h
index 4d0e6003..799c017d 100644
--- a/include/sway/tree/container.h
+++ b/include/sway/tree/container.h
@@ -256,12 +256,6 @@ void container_for_each_descendant_dfs(struct sway_container *container,
 bool container_has_ancestor(struct sway_container *container,
 		struct sway_container *ancestor);
 
-/**
- * Returns true if the given container is a child descendant of this container.
- */
-bool container_has_child(struct sway_container *con,
-		struct sway_container *child);
-
 int container_count_descendants_of_type(struct sway_container *con,
 		enum sway_container_type type);