add temporary support c++23

Author: mdonaka

Library/Range/util.hpp

@@ -464,15 +464,15 @@ namespace mtd {
         return ranges::zip_view(std::forward<_Tp>(__e)...);
       }
     };
-    struct _Enumerate : std::views::__adaptor::_RangeAdaptorClosure {
+    struct _Enumerate : std::ranges::range_adaptor_closure<_Enumerate> {
       template <class _Tp>
       requires __detail::__can_zip_view<std::ranges::iota_view<size_t>, _Tp>
       constexpr auto operator() [[nodiscard]] (_Tp&& __e) const {
         return ranges::zip_view{std::views::iota(0), std::forward<_Tp>(__e)};
       }
       static constexpr bool _S_has_simple_call_op = true;
     };
-    struct _Flatten : std::views::__adaptor::_RangeAdaptorClosure {
+    struct _Flatten : std::ranges::range_adaptor_closure<_Flatten> {
       template <class... _Tp>
       requires __detail::__can_flatten_view<_Tp...>
       constexpr auto operator() [[nodiscard]] (_Tp&&... __e) const {

Makefile

@@ -1,5 +1,8 @@
 .DEFAULT_GOAL := help
 
+GXX := g++
+OPTION := -std=c++2b -O2 -D DEBUG -I /ac-library -Wall -Wextra -Wshadow -Wconversion -Wno-sign-conversion
+
 SRC ?= main.cpp
 SRC_CORRECT ?= main_correct.cpp
 SRC_TESTCASES ?= main_testcases.cpp
@@ -10,18 +13,17 @@ SRC_COPY_FLAT = $(BUILD_DIR)/$(SRC_FLAT:.cpp=_copy.cpp)
 BIN_RUN = $(BUILD_DIR)/$(SRC_FLAT:.cpp=.out)
 BIN_TEST := $(BUILD_DIR)/test.out
 
-OPTION := -std=c++2a -O2 -D DEBUG -I /ac-library -Wall -Wextra -Wshadow -Wconversion -Wno-sign-conversion
 DEPENDS = $(BIN_RUN:.out=.d) $(BIN_TEST:.out=.d)
 HEADERS = $(shell find ./ -name "*.hpp")
 
 $(SRC_COPY_FLAT): $(SRC) $(HEADERS)
 	@python Command/inline_includes.py $< | tee $@ | xsel -bi
 
 $(BIN_RUN): $(SRC) $(HEADERS)
-	@g++-12 $(OPTION) $< -MMD -MP -o $@
+	@$(GXX) $(OPTION) $< -MMD -MP -o $@
 
 $(BIN_TEST): $(SRC) $(HEADERS)
-	@g++-12 $(OPTION) $< -D TEST -MMD -MP -o $@
+	@$(GXX) $(OPTION) $< -D TEST -MMD -MP -o $@
 
 .PHONY: i
 i: ## reset
@@ -32,7 +34,7 @@ i: ## reset
 
 .PHONY: y
 y: $(SRC_COPY_FLAT) ## yank
-	@g++-12 $(OPTION) $(SRC_COPY_FLAT) -o tmp && rm -r tmp
+	@# @$(GXX) $(OPTION) $(SRC_COPY_FLAT) -o tmp && rm -r tmp
 
 .PHONY: r
 r: $(BIN_RUN) ## run

docker-compose.yml

@@ -0,0 +1,13 @@
+version: "3.9"
+
+services:
+  gcc15:
+    image: gcc:15
+    container_name: gcc15
+    working_dir: /src
+    tty: true
+    volumes:
+      - type: bind
+        source: ./
+        target: /src
+        read_only: false