From 195f1280089123e0f4effd89de9b6240ff5acd08 Mon Sep 17 00:00:00 2001
From: Phillip Carter <pcarter@fastmail.com>
Date: Tue, 22 Dec 2020 08:45:11 -0800
Subject: [PATCH] Wrap function tooltip in function sighelp in parens (#10760)

---
 Completion/SignatureHelp.fs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Completion/SignatureHelp.fs b/Completion/SignatureHelp.fs
index 22f3dd25c94..9f9d11263ef 100644
--- a/Completion/SignatureHelp.fs
+++ b/Completion/SignatureHelp.fs
@@ -376,8 +376,14 @@ type internal FSharpSignatureHelpProvider
                             |]
                             |> ResizeArray
 
+                        if argument.Type.IsFunctionType then
+                            display.Add(TaggedText(TextTags.Punctuation, "("))
+
                         display.AddRange(tt)
 
+                        if argument.Type.IsFunctionType then
+                            display.Add(TaggedText(TextTags.Punctuation, ")"))
+
                         let info =
                             { ParameterName = argument.DisplayName
                               IsOptional = false