Rollup merge of rust-lang#73975 - pierwill:patch-3, r=jonas-schievink

Document rustc_ast::ast::Pat
rust-lang-ci · Jul 2, 2020 · 7bd2f97 · 7bd2f97
2 parents 5702b27 + 3c139ae
commit 7bd2f97
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/librustc_ast/ast.rs b/src/librustc_ast/ast.rs
@@ -511,6 +511,9 @@ pub struct Block {
     pub span: Span,
 }
 
+/// A match pattern.
+///
+/// Patterns appear in match statements and some other contexts, such as `let` and `if let`.
 #[derive(Clone, RustcEncodable, RustcDecodable, Debug)]
 pub struct Pat {
     pub id: NodeId,