docs/features.md: add call hierarchy documentation
Add documentation for the call hierarchy feature now provided by
gopls.
Change-Id: Ie0701db84a8a6375e7018a6409f3505df0403ef8
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/284772
Trust: Suzy Mueller <suzmue@golang.org>
Run-TryBot: Suzy Mueller <suzmue@golang.org>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
diff --git a/docs/features.md b/docs/features.md
index 1ecabc9..7007ce7 100644
--- a/docs/features.md
+++ b/docs/features.md
@@ -85,6 +85,12 @@
<div style="text-align: center;"><img src="images/workspace-symbols.gif" alt="Use Workspace Symbols to locate Hello in the workspace" style="width: 75%"> </div>
+### Call hierarchy
+
+Show all calls from or to a function.
+
+<div style="text-align: center;"><img src="images/callhierarchy.gif" alt="Show call hierarchy and investigate callers of a function" style="width: 75%"> </div>
+
### Document outline
See all the symbols in the current file in the VS Code's [Outline view](https://code.visualstudio.com/docs/getstarted/userinterface#_outline-view).
