First commit.

Just main().

.gitmodules

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+[submodule "cmake/cmake-d"]
+	path = cmake/cmake-d
+	url = https://github.com/dcarp/cmake-d.git

CMakeLists.txt

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+cmake_minimum_required(VERSION 2.6 FATAL_ERROR)
+list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake-d)
+project(disgaea_solver D)
+
+add_executable(${PROJECT_NAME}
+	src/main.d
+	src/disgaea_solve.d
+)
+
+target_include_directories(${PROJECT_NAME}
+	PUBLIC src
+)

cmake/cmake-d

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+Subproject commit 2f3f6b1b0702655762061ab8bab01a288b98cb74

src/disgaea_solve.d

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+module src.disgaea_solve;
+
+struct Action {
+	char block;
+	char tile;
+}
+
+Action[] disgaea_solve (

src/main.d

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+import std.stdio;
+import std.array;
+import disgaea_solve;
+
+int main (string[] parArgs) {
+	immutable int expected_arg_count = 3;
+	if (parArgs.length - 1 < expected_arg_count) {
+		writefln("Wrong number of arguments: received %d, expected %d",
+			parArgs.length - 1,
+			expected_arg_count
+		);
+		writefln("Usage: %s <tiles-list> <blocks-list> <current-state>", parArgs[0]);
+		return 2;
+	}
+
+	return 0;
+}