From e381778bcf97ca53f532d2b05a1c44e61549c1a1 Mon Sep 17 00:00:00 2001
From: nojaf <florian.verdonck@outlook.com>
Date: Sat, 5 Mar 2022 20:57:51 +0100
Subject: [PATCH] Add regression test for in keyword in SynExpr.LetOrUse. Fixes
 #1182.

---
 CHANGELOG.md                          |  1 +
 src/Fantomas.Tests/LetBindingTests.fs | 39 +++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 157d518134..45bbcbfb1a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 * Comment after equals is remove in anonymous record. [#1921](https://github.com/fsprojects/fantomas/issues/1921)
 * Comment after equals in record type is lost. [#2001](https://github.com/fsprojects/fantomas/issues/2001)
 * Comment after match keyword is lost. [#1851](https://github.com/fsprojects/fantomas/issues/1851)
+* Preserve in keyword on next line. [#1182](https://github.com/fsprojects/fantomas/issues/1182)
 
 ## [4.7.0] - 2022-03-04
 
diff --git a/src/Fantomas.Tests/LetBindingTests.fs b/src/Fantomas.Tests/LetBindingTests.fs
index fcb694d903..85a49b638b 100644
--- a/src/Fantomas.Tests/LetBindingTests.fs
+++ b/src/Fantomas.Tests/LetBindingTests.fs
@@ -1959,3 +1959,42 @@ let v =
     let formatted = formatSourceString false sourceCode config
 
     formatted |> should not' (equal EmptyString)
+
+[<Test>]
+let ``in keyword in SynExpr.LetOrUse, 1182`` () =
+    formatSourceString
+        false
+        """
+do
+    let _ = ()
+      in
+     () // note the different indent is allowed here due to `in` use
+
+let escapeEarth myVelocity mySpeed =
+    let
+        escapeVelocityInKmPerSec = 11.186
+    in
+    if myVelocity > escapeVelocityInKmPerSec then
+        "Godspeed"
+    elif mySpeed == orbitalSpeedInKmPerSec then
+        "Stay in orbit"
+    else
+        "Come back"
+"""
+        config
+    |> prepend newline
+    |> should
+        equal
+        """
+do let _ = () in () // note the different indent is allowed here due to `in` use
+
+let escapeEarth myVelocity mySpeed =
+    let escapeVelocityInKmPerSec = 11.186 in
+
+    if myVelocity > escapeVelocityInKmPerSec then
+        "Godspeed"
+    elif mySpeed == orbitalSpeedInKmPerSec then
+        "Stay in orbit"
+    else
+        "Come back"
+"""