Remove thrift/lib/cpp2/reflection/helpers.h

Summary: The APIs in this file is only used in unit-test.

Reviewed By: hchokshi

Differential Revision: D90126425

fbshipit-source-id: f54b161a24b8d8c0ac96d145dd73d739359ba2bb

Author: Mizuchi

third-party/thrift/src/thrift/lib/cpp2/reflection/helpers.h

@@ -14,116 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef THRIFT_FATAL_HELPERS_H_
-#define THRIFT_FATAL_HELPERS_H_ 1
+#pragma once
 
 #include <fatal/type/get_type.h>
 #include <thrift/lib/cpp2/reflection/reflection.h>
-
-#include <thrift/lib/cpp2/reflection/internal/helpers-inl-pre.h>
-
-namespace apache::thrift {
-
-/**
- * Gets the reflection metadata for a given struct's member based on a user
- * provided filter applied to each `reflected_struct_data_member` of the
- * struct's members.
- *
- * Example:
- *
- *  // Thrift file
- *  struct some_struct {
- *    123: i32 some_member
- *  }
- *
- *  // cpp file
- *  FATAL_S(member_name, "some_member");
- *
- *  using info = get_struct_member_by<
- *    some_struct,
- *    member_name,
- *    fatal::get_type::name
- *  >;
- *
- *  some_struct x;
- *  info::getter{}(x) = 10;
- *
- *  // prints `10`
- *  std::cout << x.some_member;
- *
- * @author: Marcelo Juchem <marcelo@fb.com>
- */
-template <typename T, typename Key, typename Filter>
-using get_struct_member_by =
-    typename detail ::check_struct_has_member_for_criteria<
-        T,
-        fatal::find<typename reflect_struct<T>::members, Key, void, Filter>>::
-        type;
-
-/**
- * Gets the reflection metadata for a given struct's member based on its name.
- *
- * Example:
- *
- *  // Thrift file
- *  struct some_struct {
- *    123: i32 some_member
- *  }
- *
- *  // cpp file
- *  FATAL_S(member_name, "some_member");
- *
- *  using info = get_struct_member_by_name<some_struct, member_name>;
- *
- *  some_struct x;
- *  info::getter{}(x) = 10;
- *
- *  // prints `10`
- *  std::cout << x.some_member;
- *
- * @author: Marcelo Juchem <marcelo@fb.com>
- */
-template <typename T, typename Name>
-using get_struct_member_by_name =
-    typename detail ::check_struct_has_member_for_criteria<
-        T,
-        fatal::find<
-            typename reflect_struct<T>::members,
-            Name,
-            void,
-            fatal::get_type::name>>::type;
-
-/**
- * Gets the reflection metadata for a given struct's member based on its name.
- *
- * Example:
- *
- *  // Thrift file
- *  struct some_struct {
- *    123: i32 some_member
- *  }
- *
- *  // cpp file
- *  using info = get_struct_member_by_id<some_struct, 123>;
- *
- *  some_struct x;
- *  info::getter{}(x) = 10;
- *
- *  // prints `10`
- *  std::cout << x.some_member;
- *
- * @author: Marcelo Juchem <marcelo@fb.com>
- */
-template <typename T, field_id_t Id>
-using get_struct_member_by_id =
-    typename detail ::check_struct_has_member_for_criteria<
-        T,
-        fatal::find<
-            typename reflect_struct<T>::members,
-            std::integral_constant<field_id_t, Id>,
-            void,
-            fatal::get_type::id>>::type;
-
-} // namespace apache::thrift
-
-#endif // THRIFT_FATAL_HELPERS_H_