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Diffstat (limited to 'lib/btrfs/btrfstree/path.go')
-rw-r--r--lib/btrfs/btrfstree/path.go7
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/btrfs/btrfstree/path.go b/lib/btrfs/btrfstree/path.go
index 9b1a5c7..dc2fc1d 100644
--- a/lib/btrfs/btrfstree/path.go
+++ b/lib/btrfs/btrfstree/path.go
@@ -128,9 +128,10 @@ func (path TreePath) Parent() TreePath {
return path[:len(path)-1]
}
-// path.Node(x) is like &path[x], but negative values of x move down
-// from the end of path (similar to how lists work in many other
-// languages, such as Python).
+// Node is returns an element from the path; `path.Node(x)` is like
+// `&path[x]`, but negative values of x move down from the end of path
+// (similar to how lists work in many other languages, such as
+// Python).
func (path TreePath) Node(x int) *TreePathElem {
if x < 0 {
x += len(path)