julefmt: fix match-case scope detection

src/format.jule

@@ -351,7 +351,9 @@ impl Formatter {
  self.write("unsafe ")
  }
  self.write("fn ")
- self.write(d.ident)
+ if !lex::is_anon_ident(d.ident) {
+ self.write(d.ident)
+ }
  self.generics(d.generics)
  self.write("(")
  for (i, mut p) in d.params {
@@ -1066,6 +1068,7 @@ impl ScopeFormatter {
  self.fmt.done_indent()
  }
  self.write(self.fmt.indent)
+ self.fmt.row = mc.end.row
  self.write("}")
  }
 
@@ -1582,6 +1585,8 @@ impl ExprFormatter {
  | &ast::TypeDecl:
  let mut t = (&ast::TypeDecl)(kind)
  self.fmt.format_type(t)
+ | &ast::FnDecl:
+ self.fmt.fn_decl((&ast::FnDecl)(kind))
  | &ast::IdentExpr:
  self.ident((&ast::IdentExpr)(kind))
  | &ast::TupleExpr: