| ast::ExprKind::TryBlock(..)
)
}
+
+/// If an expression ends with `}`, returns the innermost expression ending in the `}`
+pub fn expr_trailing_brace(mut expr: &ast::Expr) -> Option<&ast::Expr> {
+ use ast::ExprKind::*;
+
+ loop {
+ match &expr.kind {
+ AddrOf(_, _, e)
+ | Assign(_, e, _)
+ | AssignOp(_, _, e)
+ | Binary(_, _, e)
+ | Box(e)
+ | Break(_, Some(e))
+ | Closure(.., e, _)
+ | Let(_, e, _)
+ | Range(_, Some(e), _)
+ | Ret(Some(e))
+ | Unary(_, e)
+ | Yield(Some(e)) => {
+ expr = e;
+ }
+ Async(..) | Block(..) | ForLoop(..) | If(..) | Loop(..) | Match(..) | Struct(..)
+ | TryBlock(..) | While(..) => break Some(expr),
+ _ => break None,
+ }
+ }
+}