From 161979fca4e2551da2562629790827bcc323f2e4 Mon Sep 17 00:00:00 2001
From: WindSoilder <WindSoilder@outlook.com>
Date: Fri, 10 Mar 2023 23:12:29 +0800
Subject: [PATCH] Using explicit closure syntax (#2512)

---
 docs/changelog/2512.feature.rst               | 1 +
 src/virtualenv/activation/nushell/activate.nu | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)
 create mode 100644 docs/changelog/2512.feature.rst

diff --git a/docs/changelog/2512.feature.rst b/docs/changelog/2512.feature.rst
new file mode 100644
index 000000000..510b2f786
--- /dev/null
+++ b/docs/changelog/2512.feature.rst
@@ -0,0 +1 @@
+Make closure syntax explicitly starts with {||.
diff --git a/src/virtualenv/activation/nushell/activate.nu b/src/virtualenv/activation/nushell/activate.nu
index 6357c8d6f..e475623e1 100644
--- a/src/virtualenv/activation/nushell/activate.nu
+++ b/src/virtualenv/activation/nushell/activate.nu
@@ -93,12 +93,12 @@ export-env {
       # If there is no default prompt, then only the env is printed in the prompt
       let new_prompt = if (has-env 'PROMPT_COMMAND') {
           if 'closure' in ($old_prompt_command | describe) {
-              { $'($virtual_prompt)(do $old_prompt_command)' }
+              {|| $'($virtual_prompt)(do $old_prompt_command)' }
           } else {
-              { $'($virtual_prompt)($old_prompt_command)' }
+              {|| $'($virtual_prompt)($old_prompt_command)' }
           }
       } else {
-          { $'($virtual_prompt)' }
+          {|| $'($virtual_prompt)' }
       }
 
       $new_env | merge {