Return iterator from the format method

2018-01-14 11:00:27 -08:00
parent 67928eae28
commit 91ee9c9acd
7 changed files with 66 additions and 38 deletions
@@ -103,11 +103,12 @@ struct formatter<T, Char,
    : formatter<basic_string_view<Char>, Char> {

  template <typename Context>
-  void format(const T &value, Context &ctx) {
+  auto format(const T &value, Context &ctx) -> decltype(ctx.begin()) {
    basic_memory_buffer<Char> buffer;
    internal::format_value(buffer, value);
    basic_string_view<Char> str(buffer.data(), buffer.size());
    formatter<basic_string_view<Char>, Char>::format(str, ctx);
+    return ctx.begin();
  }
 };