rust-lang / rust-lang/rustfmt

PreferSameLine brace_style with trailing_comma Vertical produces weird results

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#2,321 3 comments 0 reactions 1 assignee View on GitHub

@gentoid is already working on this.

Since Aug 27, 2023.

good first issue I-poor-formatting only-with-option
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Description

Upgrading rustfmt-nightly from 0.2.15 to 0.3.4 created this change:

@@ -104,8 +122,7 @@ impl FetchCommandMessages {
 
 pub trait FetchBuilderMessages
 where
-    Self: Sized,
-{
+    Self: Sized, {
     fn prepare(self) -> FetchCommandMessages;
 
     fn num(self, num: u32) -> FetchCommandMessages {

This seems like a bug, since trailing_comma = "Vertical" should not trigger if the opening brace is on the same line.

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