refactor: improve includes with iwyu

32 files changed, 193 insertions, 122 deletions

diff --git a/mappings.imp b/mappings.imp
new file mode 100644
index 0000000..3dddeca
--- /dev/null
+++ b/mappings.imp
@@ -0,0 +1,6 @@
+[
+	{ ref: "build/_deps/yacppdic-src/mappings.imp" },
+	{ include: ["<bits/chrono.h>", "private", "<chrono>", "public"] },
+	{ include: ["@<bits/termios-.*>", "private", "<termios.h>", "public"] },
+	{ include: ["@<ctre/.*>", "public", "<ctre.hpp>", "public"] }
+]
diff --git a/scripts/lint-includes.sh b/scripts/lint-includes.sh
new file mode 100755
index 0000000..ed3e0b2
--- /dev/null
+++ b/scripts/lint-includes.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# See https://github.com/include-what-you-use/include-what-you-use
+
+iwyu_tool.py \
+	--jobs 16 \
+	-p build \
+	src \
+	-- \
+	-Xiwyu --cxx17ns \
+	-Xiwyu --mapping_file=$PWD/mappings.imp \
+| fix_includes.py \
+	--blank_lines \
+	--reorder \
+	--nocomments
+
diff --git a/src/bootstrap.cpp b/src/bootstrap.cpp
index 12f7369..368f2a8 100644
--- a/src/bootstrap.cpp
+++ b/src/bootstrap.cpp
@@ -1,37 +1,41 @@
 #include "bootstrap.hpp"
 
-// Interfaces
-#include "interfaces/RLE_reader.hpp"
-#include "interfaces/cell_helper.hpp"
-#include "interfaces/component.hpp"
-#include "interfaces/component_renderer.hpp"
-#include "interfaces/cursor.hpp"
-#include "interfaces/engine.hpp"
-#include "interfaces/game.hpp"
-#include "interfaces/generation_tracker.hpp"
-#include "interfaces/input.hpp"
-#include "interfaces/matrix.hpp"
-#include "interfaces/scene.hpp"
-#include "interfaces/status_manager.hpp"
-#include "interfaces/statusline.hpp"
+#include <list>
+#include <memory>
+#include <vector>
+#include <yacppdic/factory.hpp>
 
-// Implementations
-#include "engine/data/bounds.hpp"
-#include "engine/data/vector2.hpp"
 #include "engine/engine.hpp"
 #include "engine/graphics/component_renderer.hpp"
 #include "engine/graphics/matrix.hpp"
+#include "engine/graphics/matrix_impl.hpp"
+#include "engine/graphics/matrix_iterator.hpp"
+#include "engine/graphics/matrix_iterator_impl.hpp"
 #include "engine/graphics/scene.hpp"
 #include "engine/user/cursor.hpp"
 #include "engine/user/input.hpp"
 #include "game/RLE_reader.hpp"
 #include "game/cell_helper.hpp"
+#include "game/cell_helper_impl.hpp"
 #include "game/components/statusline.hpp"
 #include "game/game.hpp"
 #include "game/generation_tracker.hpp"
 #include "game/status_manager.hpp"
+#include "interfaces/RLE_reader.hpp"
+#include "interfaces/cell_helper.hpp"
+#include "interfaces/component.hpp"
+#include "interfaces/component_renderer.hpp"
+#include "interfaces/cursor.hpp"
+#include "interfaces/engine.hpp"
+#include "interfaces/game.hpp"
+#include "interfaces/generation_tracker.hpp"
+#include "interfaces/input.hpp"
+#include "interfaces/matrix.hpp"
+#include "interfaces/scene.hpp"
+#include "interfaces/status_manager.hpp"
+#include "interfaces/statusline.hpp"
 
-#include <memory>
+class Bounds;
 
 auto bootstrap() noexcept -> yacppdic::DIContainer
 {
diff --git a/src/engine/data/bounds.cpp b/src/engine/data/bounds.cpp
index 21c6660..bee98ba 100644
--- a/src/engine/data/bounds.cpp
+++ b/src/engine/data/bounds.cpp
@@ -1,5 +1,7 @@
 #include "bounds.hpp"
 
+#include "engine/data/vector2.hpp"
+
 Bounds::Bounds(const BoundsOptions &options) noexcept
 	: _width(options.width), _height(options.height)
 {
diff --git a/src/engine/data/bounds.hpp b/src/engine/data/bounds.hpp
index b122489..2375d77 100644
--- a/src/engine/data/bounds.hpp
+++ b/src/engine/data/bounds.hpp
@@ -1,8 +1,10 @@
 #pragma once
 
+#include <cstdint>
+
 #include "engine/data/vector2.hpp"
 
-#include <cstdint>
+class Vector2;
 
 enum CoordsValidation
 {
diff --git a/src/engine/data/vector2.cpp b/src/engine/data/vector2.cpp
index cb81947..84986bd 100644
--- a/src/engine/data/vector2.cpp
+++ b/src/engine/data/vector2.cpp
@@ -1,9 +1,10 @@
 #include "vector2.hpp"
 
-#include "util/hash.hpp"
-
+#include <compare>
 #include <tuple>
 
+#include "util/hash_impl.hpp"
+
 auto Vector2::get_x() const noexcept -> Vector2::Value
 {
 	return _x;
diff --git a/src/engine/data/vector2.hpp b/src/engine/data/vector2.hpp
index b83e924..03c2562 100644
--- a/src/engine/data/vector2.hpp
+++ b/src/engine/data/vector2.hpp
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <cstddef>
 #include <cstdint>
 #include <functional>
 
diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp
index b0456a3..7f7c4c3 100644
--- a/src/engine/engine.cpp
+++ b/src/engine/engine.cpp
@@ -1,13 +1,19 @@
 #include "engine.hpp"
 
-#include "util/function.hpp"
-
 #include <fmt/core.h>
-
+#include <yacppdic/factory.hpp>
 #include <chrono>
+#include <cstdlib>
 #include <exception>
 #include <thread>
 #include <utility>
+#include <vector>
+
+#include "interfaces/component.hpp"
+#include "interfaces/cursor.hpp"
+#include "interfaces/input.hpp"
+#include "interfaces/scene.hpp"
+#include "util/function_impl.hpp"
 
 CLIGameEngine::CLIGameEngine(
 	IGameFactory game_factory,
diff --git a/src/engine/engine.hpp b/src/engine/engine.hpp
index 65d1a80..82bde16 100644
--- a/src/engine/engine.hpp
+++ b/src/engine/engine.hpp
@@ -1,5 +1,9 @@
 #pragma once
 
+#include <memory>
+#include <unordered_map>
+#include <yacppdic/auto_wirable.hpp>
+
 #include "interfaces/component_renderer.hpp"
 #include "interfaces/cursor.hpp"
 #include "interfaces/engine.hpp"
@@ -7,10 +11,9 @@
 #include "interfaces/input.hpp"
 #include "interfaces/scene.hpp"
 
-#include <yacppdic/auto_wirable.hpp>
-
-#include <memory>
-#include <unordered_map>
+class ICursorController;
+class IScene;
+class IUserInputObserver;
 
 constexpr auto MIN_TIME_SINCE_LAST_UPDATE_MILLIS = 15;
 
diff --git a/src/engine/graphics/component_renderer.cpp b/src/engine/graphics/component_renderer.cpp
index effe153..0584028 100644
--- a/src/engine/graphics/component_renderer.cpp
+++ b/src/engine/graphics/component_renderer.cpp
@@ -1,13 +1,20 @@
 #include "component_renderer.hpp"
 
-#include "engine/escape.hpp"
-#include "util/color.hpp"
-
 #include <fmt/core.h>
-
 #include <iostream>
+#include <optional>
 #include <utility>
 
+#include "engine/data/style.hpp"
+#include "engine/data/vector2.hpp"
+#include "engine/escape.hpp"
+#include "engine/graphics/matrix_iterator.hpp"
+#include "engine/graphics/matrix_iterator_impl.hpp"
+#include "interfaces/component.hpp"
+#include "interfaces/cursor.hpp"
+#include "interfaces/matrix.hpp"
+#include "util/color.hpp"
+
 ComponentRenderer::ComponentRenderer(
 	std::shared_ptr<ICursorController> cursor_controller) noexcept
 	: _cursor_controller(std::move(cursor_controller))
diff --git a/src/engine/graphics/component_renderer.hpp b/src/engine/graphics/component_renderer.hpp
index ff1bc47..4d21623 100644
--- a/src/engine/graphics/component_renderer.hpp
+++ b/src/engine/graphics/component_renderer.hpp
@@ -1,12 +1,15 @@
 #pragma once
 
+#include <memory>
+
+#include "engine/data/vector2.hpp"
 #include "interfaces/component.hpp"
 #include "interfaces/component_renderer.hpp"
 #include "interfaces/cursor.hpp"
 
-#include "engine/data/vector2.hpp"
-
-#include <memory>
+class IComponent;
+class ICursorController;
+class Vector2;
 
 constexpr auto SET_BOLD_MODE = "{esc}[1m";
 
diff --git a/src/engine/graphics/scene.cpp b/src/engine/graphics/scene.cpp
index ff64edd..7c23c7d 100644
--- a/src/engine/graphics/scene.cpp
+++ b/src/engine/graphics/scene.cpp
@@ -1,13 +1,15 @@
 #include "scene.hpp"
 
-#include "engine/escape.hpp"
-#include "util/color.hpp"
-
-#include <fmt/color.h>
 #include <fmt/core.h>
-
-#include <iostream>
 #include <sys/ioctl.h>
+#include <termios.h>
+#include <unistd.h>
+#include <cstdint>
+#include <iostream>
+
+#include "engine/escape.hpp"
+
+class IComponent;
 
 Scene::Scene(const IMatrixFactory<MatrixElement> &matrix_factory) noexcept
 	: _matrix(matrix_factory(size())), _is_shown(false)
diff --git a/src/engine/graphics/scene.hpp b/src/engine/graphics/scene.hpp
index 4df5f56..5b52027 100644
--- a/src/engine/graphics/scene.hpp
+++ b/src/engine/graphics/scene.hpp
@@ -1,19 +1,21 @@
 #pragma once
 
-#include "interfaces/component.hpp"
-#include "interfaces/matrix.hpp"
-#include "interfaces/scene.hpp"
-
-#include "engine/data/vector2.hpp"
-
 #include <fmt/core.h>
-#include <yacppdic/auto_wirable.hpp>
-
 #include <memory>
 #include <string_view>
 #include <termios.h>
 #include <utility>
 #include <vector>
+#include <yacppdic/auto_wirable.hpp>
+
+#include "engine/data/bounds.hpp"
+#include "engine/data/vector2.hpp"
+#include "interfaces/component.hpp"
+#include "interfaces/matrix.hpp"
+#include "interfaces/scene.hpp"
+
+class IComponent;
+struct termios;
 
 constexpr fmt::string_view ENABLE_ALT_BUFFER = "{esc}[?1049h";
 constexpr fmt::string_view DISABLE_ALT_BUFFER = "{esc}[?1049l";
diff --git a/src/engine/main.cpp b/src/engine/main.cpp
index b703218..8043c68 100644
--- a/src/engine/main.cpp
+++ b/src/engine/main.cpp
@@ -1,8 +1,9 @@
-#include "interfaces/engine.hpp"
+#include <backward.hpp>
+#include <yacppdic/container.hpp>
+#include <memory>
 
 #include "bootstrap.hpp"
-
-#include <backward.hpp>
+#include "interfaces/engine.hpp"
 
 auto main() noexcept -> int
 {
diff --git a/src/engine/user/cursor.cpp b/src/engine/user/cursor.cpp
index a372ca7..5cd74a6 100644
--- a/src/engine/user/cursor.cpp
+++ b/src/engine/user/cursor.cpp
@@ -1,10 +1,9 @@
 #include "cursor.hpp"
 
-#include "engine/escape.hpp"
-
-#include <cstdlib>
 #include <iostream>
 
+#include "engine/escape.hpp"
+
 CursorController::CursorController() noexcept
 	: _position({.x = 0, .y = 0}), _bounds({0, 0})
 {
diff --git a/src/engine/user/cursor.hpp b/src/engine/user/cursor.hpp
index 06c6b88..ff7e89f 100644
--- a/src/engine/user/cursor.hpp
+++ b/src/engine/user/cursor.hpp
@@ -2,16 +2,16 @@
 
 #include "interfaces/cursor.hpp"
 
-#include "engine/data/bounds.hpp"
-#include "engine/data/vector2.hpp"
-
+#include <cstdint>
 #include <fmt/core.h>
-#include <yacppdic/auto_wirable.hpp>
-
 #include <memory>
 #include <string_view>
 #include <unordered_map>
 #include <vector>
+#include <yacppdic/auto_wirable.hpp>
+
+#include "engine/data/bounds.hpp"
+#include "engine/data/vector2.hpp"
 
 constexpr std::string_view MOVE_CURSOR_UP = "{esc}[{amount}A";
 constexpr std::string_view MOVE_CURSOR_DOWN = "{esc}[{amount}B";
@@ -39,8 +39,10 @@ class CursorController : public ICursorController,
 public:
 	CursorController() noexcept;
 
-	void move(const Vector2 &direction, const std::uint32_t &amount, bool flush_cout) noexcept
-		override;
+	void move(
+		const Vector2 &direction,
+		const std::uint32_t &amount,
+		bool flush_cout) noexcept override;
 
 	void move_to(const Vector2 &position, bool flush_cout) noexcept override;
 
diff --git a/src/engine/user/input.cpp b/src/engine/user/input.cpp
index f0ffbe5..505a0fa 100644
--- a/src/engine/user/input.cpp
+++ b/src/engine/user/input.cpp
@@ -1,11 +1,10 @@
 #include "input.hpp"
 
-#include "engine/keycodes.hpp"
-
 #include <iostream>
-#include <unistd.h>
 #include <unordered_map>
 
+#include "engine/keycodes.hpp"
+
 const std::unordered_map<char, char> special_keys_map = {
 	{'A', keycodes::UP_ARROW},
 	{'B', keycodes::DOWN_ARROW},
diff --git a/src/engine/user/input.hpp b/src/engine/user/input.hpp
index 12c27ee..9e8196d 100644
--- a/src/engine/user/input.hpp
+++ b/src/engine/user/input.hpp
@@ -2,11 +2,10 @@
 
 #include "interfaces/input.hpp"
 
-#include <yacppdic/auto_wirable.hpp>
-
 #include <memory>
 #include <mutex>
 #include <string>
+#include <yacppdic/auto_wirable.hpp>
 
 class UserInputObserver
 	: public IUserInputObserver,
diff --git a/src/game/RLE_reader.cpp b/src/game/RLE_reader.cpp
index f971966..df2823c 100644
--- a/src/game/RLE_reader.cpp
+++ b/src/game/RLE_reader.cpp
@@ -1,20 +1,16 @@
 #include "RLE_reader.hpp"
 
-#include "engine/data/bounds.hpp"
-#include "engine/data/vector2.hpp"
-#include "errors/RLE_reader.hpp"
-#include "util/algorithm.hpp"
-#include "util/io.hpp"
-#include "util/string.hpp"
-
 #include <ctre.hpp>
-
 #include <cctype>
-#include <fstream>
 #include <string>
 #include <vector>
 
-#include <iostream>
+#include "engine/data/bounds.hpp"
+#include "engine/data/vector2.hpp"
+#include "errors/RLE_reader.hpp"
+#include "util/algorithm_impl.hpp"
+#include "util/io_impl.hpp"
+#include "util/string_impl.hpp"
 
 RLEReader::RLEReader(const IMatrixFactory<MatrixElement> &matrix_factory) noexcept
 	: _matrix_factory(matrix_factory)
diff --git a/src/game/components/statusline.cpp b/src/game/components/statusline.cpp
index c2fe7ea..aac1c27 100644
--- a/src/game/components/statusline.cpp
+++ b/src/game/components/statusline.cpp
@@ -1,14 +1,13 @@
 #include "statusline.hpp"
 
-#include "engine/data/bounds.hpp"
-#include "engine/data/vector2.hpp"
-#include "util/color.hpp"
-#include "util/ranges.hpp"
-
 #include <fmt/color.h>
-
 #include <utility>
 
+#include "engine/data/vector2.hpp"
+#include "interfaces/matrix.hpp"
+#include "util/ranges.hpp"
+#include "util/ranges_impl.hpp"
+
 StatusLine::StatusLine(std::shared_ptr<ComponentMatrix> component_matrix) noexcept
 	: _component_matrix(std::move(component_matrix)), _need_render(false)
 {
diff --git a/src/game/components/statusline.hpp b/src/game/components/statusline.hpp
index 4451fde..a6742c9 100644
--- a/src/game/components/statusline.hpp
+++ b/src/game/components/statusline.hpp
@@ -1,14 +1,17 @@
 #pragma once
 
-#include "interfaces/matrix.hpp"
-#include "interfaces/statusline.hpp"
+#include <cstdint>
+#include <memory>
+#include <string_view>
+#include <unordered_map>
 
 #include "engine/data/style.hpp"
 #include "engine/data/vector2.hpp"
+#include "interfaces/component.hpp"
+#include "interfaces/matrix.hpp"
+#include "interfaces/statusline.hpp"
 
-#include <memory>
-#include <string_view>
-#include <unordered_map>
+class Vector2;
 
 constexpr std::uint32_t STATUSLINE_COLOR = 0x1A1A1AU;
 
@@ -32,7 +35,8 @@ public:
 		const std::string_view &status,
 		std::int32_t start) noexcept override;
 
-	void set_section_length(StatusLineSection section, std::int32_t length) noexcept override;
+	void
+	set_section_length(StatusLineSection section, std::int32_t length) noexcept override;
 
 	void
 	set_section_style(StatusLineSection section, const Style &style) noexcept override;
diff --git a/src/game/game.cpp b/src/game/game.cpp
index 921f21d..a121089 100644
--- a/src/game/game.cpp
+++ b/src/game/game.cpp
@@ -1,24 +1,33 @@
 #include "game.hpp"
 
-#include "engine/data/bounds.hpp"
-#include "engine/escape.hpp"
-#include "engine/keycodes.hpp"
-#include "errors/RLE_reader.hpp"
-#include "errors/io.hpp"
-#include "util/algorithm.hpp"
-#include "util/fs.hpp"
-#include "util/string.hpp"
-
 #include <fmt/color.h>
 #include <fmt/core.h>
-
-#include <algorithm>
+#include <fmt/format.h>
+#include <yacppdic/factory.hpp>
 #include <cstdlib>
 #include <filesystem>
 #include <iostream>
+#include <iterator>
 #include <stdexcept>
 #include <utility>
 
+#include "engine/data/bounds.hpp"
+#include "engine/escape.hpp"
+#include "engine/graphics/matrix_iterator.hpp"
+#include "engine/graphics/matrix_iterator_impl.hpp"
+#include "engine/keycodes.hpp"
+#include "errors/RLE_reader.hpp"
+#include "errors/io.hpp"
+#include "interfaces/RLE_reader.hpp"
+#include "interfaces/cell_helper.hpp"
+#include "interfaces/generation_tracker.hpp"
+#include "interfaces/input.hpp"
+#include "interfaces/matrix.hpp"
+#include "interfaces/status_manager.hpp"
+#include "util/algorithm_impl.hpp"
+#include "util/fs.hpp"
+#include "util/string_impl.hpp"
+
 Game::Game(
 	IStatusLineFactory statusline_factory,
 	std::shared_ptr<IScene> scene,
diff --git a/src/game/game.hpp b/src/game/game.hpp
index da1ba11..13e229e 100644
--- a/src/game/game.hpp
+++ b/src/game/game.hpp
@@ -1,5 +1,18 @@
 #pragma once
 
+#include <chrono>
+#include <cstddef>
+#include <cstdint>
+#include <functional>
+#include <list>
+#include <memory>
+#include <optional>
+#include <string>
+#include <string_view>
+#include <unordered_map>
+#include <vector>
+
+#include "engine/data/vector2.hpp"
 #include "interfaces/RLE_reader.hpp"
 #include "interfaces/cell_helper.hpp"
 #include "interfaces/cursor.hpp"
@@ -11,17 +24,13 @@
 #include "interfaces/status_manager.hpp"
 #include "interfaces/statusline.hpp"
 
-#include "engine/data/vector2.hpp"
-
-#include <chrono>
-#include <cstddef>
-#include <functional>
-#include <list>
-#include <memory>
-#include <optional>
-#include <string>
-#include <string_view>
-#include <vector>
+class ICellHelper;
+class IGenerationTracker;
+class IRLEReader;
+class IStatusManager;
+class IUserInputObserver;
+template <typename ElementType>
+class IMatrix;
 
 constexpr auto DEFAULT_GENERATIONS_PER_SECOND = 5L;
 
diff --git a/src/game/status_manager.cpp b/src/game/status_manager.cpp
index fd56627..a174680 100644
--- a/src/game/status_manager.cpp
+++ b/src/game/status_manager.cpp
@@ -1,9 +1,7 @@
 #include "status_manager.hpp"
 
 #include <fmt/core.h>
-
 #include <stdexcept>
-#include <utility>
 
 void StatusManager::bind(const std::shared_ptr<IStatusLine> &statusline) noexcept
 {
diff --git a/src/game/status_manager.hpp b/src/game/status_manager.hpp
index b170cf9..e9f2d15 100644
--- a/src/game/status_manager.hpp
+++ b/src/game/status_manager.hpp
@@ -1,13 +1,15 @@
 #pragma once
 
 #include "interfaces/status_manager.hpp"
-#include "interfaces/statusline.hpp"
-
-#include <yacppdic/auto_wirable.hpp>
 
+#include <cstdint>
 #include <memory>
 #include <optional>
 #include <string_view>
+#include <unordered_map>
+#include <yacppdic/auto_wirable.hpp>
+
+#include "interfaces/statusline.hpp"
 
 class StatusManager : public IStatusManager,
 					  public yacppdic::AutoWirable<IStatusManager, StatusManager>
diff --git a/src/interfaces/RLE_reader.hpp b/src/interfaces/RLE_reader.hpp
index a3266a8..9cc6722 100644
--- a/src/interfaces/RLE_reader.hpp
+++ b/src/interfaces/RLE_reader.hpp
@@ -16,4 +16,3 @@ public:
 	[[nodiscard]] virtual auto read_RLE_file(const std::filesystem::path &path) const
 		-> std::unique_ptr<IMatrix<MatrixElement>> = 0;
 };
-
diff --git a/src/interfaces/generation_tracker.hpp b/src/interfaces/generation_tracker.hpp
index 5f9bd13..291fbbc 100644
--- a/src/interfaces/generation_tracker.hpp
+++ b/src/interfaces/generation_tracker.hpp
@@ -11,7 +11,8 @@ class IGenerationTracker
 public:
 	virtual ~IGenerationTracker() noexcept = default;
 
-	[[nodiscard]] virtual auto get_current_generation() const noexcept -> std::uint32_t = 0;
+	[[nodiscard]] virtual auto get_current_generation() const noexcept
+		-> std::uint32_t = 0;
 
 	virtual void set_current_generation(std::uint32_t current_generation) noexcept = 0;
 
diff --git a/src/interfaces/scene.hpp b/src/interfaces/scene.hpp
index b7bb97d..d43a8e2 100644
--- a/src/interfaces/scene.hpp
+++ b/src/interfaces/scene.hpp
@@ -36,4 +36,3 @@ public:
 	[[nodiscard]] virtual auto get_components() const noexcept
 		-> std::vector<std::pair<std::shared_ptr<IComponent>, Vector2>> = 0;
 };
-
diff --git a/src/interfaces/status_manager.hpp b/src/interfaces/status_manager.hpp
index 7744eb6..29750d6 100644
--- a/src/interfaces/status_manager.hpp
+++ b/src/interfaces/status_manager.hpp
@@ -21,4 +21,3 @@ public:
 		const StatusLineSection &section,
 		const std::string_view &body) noexcept = 0;
 };
-
diff --git a/src/util/color.hpp b/src/util/color.hpp
index 2bb147c..d209b36 100644
--- a/src/util/color.hpp
+++ b/src/util/color.hpp
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <cstdint>
 #include <fmt/core.h>
 #include <string>
 
diff --git a/src/util/fs.cpp b/src/util/fs.cpp
index 68c3dd9..87e3cc0 100644
--- a/src/util/fs.cpp
+++ b/src/util/fs.cpp
@@ -1,8 +1,9 @@
 #include "fs.hpp"
 
-#include <cstdlib>
 #include <pwd.h>
 #include <unistd.h>
+#include <cstdlib>
+#include <string>
 
 auto get_current_user_home_path() noexcept -> std::filesystem::path
 {
diff --git a/src/util/ranges_impl.hpp b/src/util/ranges_impl.hpp
index b18a11c..1f1a577 100644
--- a/src/util/ranges_impl.hpp
+++ b/src/util/ranges_impl.hpp
@@ -57,4 +57,3 @@ IOTA_VIEW(auto)::end() const noexcept -> IotaViewIterator<Value>
 {
 	return IotaViewIterator(_bound);
 }
-