Document is_unit_expr() (#15571)

blyxyas · web-flow · commit 9121dcc61ea9 · 2025-08-27T14:40:09.000Z
Noticed when reviewing #15562. Part of #15569. changelog: none
diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs
@@ -309,6 +309,7 @@ pub fn is_lang_item_or_ctor(cx: &LateContext<'_>, did: DefId, item: LangItem) ->
     cx.tcx.lang_items().get(item) == Some(did)
 }
 
+/// Checks if `expr` is an empty block or an empty tuple.
 pub fn is_unit_expr(expr: &Expr<'_>) -> bool {
     matches!(
         expr.kind,

Original file line number	Diff line number	Diff line change
`@@ -309,6 +309,7 @@ pub fn is_lang_item_or_ctor(cx: &LateContext<'_>, did: DefId, item: LangItem) ->`
`309`	`309`	`cx.tcx.lang_items().get(item) == Some(did)`
`310`	`310`	`}`
`311`	`311`
	`312`	+/// Checks if `expr` is an empty block or an empty tuple.
`312`	`313`	`pub fn is_unit_expr(expr: &Expr<'_>) -> bool {`
`313`	`314`	`matches!(`
`314`	`315`	`expr.kind,`