document what the span of UseTreeKind::Nested is

2024-05-19 10:22:19 +02:00
parent 6579ed89f0
commit 3ce9b2f95b
1 changed files with 7 additions and 0 deletions
--- a/compiler/rustc_ast/src/ast.rs
+++ b/compiler/rustc_ast/src/ast.rs
@@ -2733,6 +2733,13 @@ pub enum UseTreeKind {
    /// `use prefix` or `use prefix as rename`
    Simple(Option<Ident>),
    /// `use prefix::{...}`
+    ///
+    /// The span represents the braces of the nested group and all elements within:
+    ///
+    /// ```text
+    /// use foo::{bar, baz};
+    ///          ^^^^^^^^^^
+    /// ```
    Nested { items: ThinVec<(UseTree, NodeId)>, span: Span },
    /// `use prefix::*`
    Glob,