let guard = match_arm.guard()?;
let space_before_guard = guard.syntax().prev_sibling_or_token();
+ // FIXME: support `if let` guards too
+ if guard.let_token().is_some() {
+ return None;
+ }
let guard_condition = guard.expr()?;
let arm_expr = match_arm.expr()?;
let if_expr = make::expr_if(