1 files changed, 0 insertions, 42 deletions
diff --git a/src/document_tree/macro_util.rs b/src/document_tree/macro_util.rs
deleted file mode 100644
index d9b8a3e..0000000
--- a/src/document_tree/macro_util.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-macro_rules! cartesian_impl {
-	($out:tt [] $b:tt $init_b:tt $submacro:tt) => {
-		$submacro!{$out}
-	};
-	($out:tt [$a:tt, $($at:tt)*] [] $init_b:tt $submacro:tt) => {
-		cartesian_impl!{$out [$($at)*] $init_b $init_b $submacro}
-	};
-	([$($out:tt)*] [$a:tt, $($at:tt)*] [$b:tt, $($bt:tt)*] $init_b:tt $submacro:tt) => {
-		cartesian_impl!{[$($out)* ($a, $b),] [$a, $($at)*] [$($bt)*] $init_b $submacro}
-	};
-}
-
-macro_rules! cartesian {
-	( $submacro:tt, [$($a:tt)*], [$($b:tt)*]) => {
-		cartesian_impl!{[] [$($a)*,] [$($b)*,] [$($b)*,] $submacro}
-	};
-}
-
-
-#[cfg(test)]
-mod test {
-	macro_rules! print_cartesian {
-		( [ $(($a1:tt, $a2:tt)),* , ] ) => {
-			fn test_f(x:i64, y:i64) -> Result<(i64, i64), ()> {
-				match (x, y) {
-				$(
-					($a1, $a2) => { Ok(($a1, $a2)) }
-				)*
-				_ => { Err(()) }
-				}
-			}
-		};
-	}
-
-	#[test]
-	fn test_print_cartesian() {
-		cartesian!(print_cartesian, [1, 2, 3], [4, 5, 6]);
-		assert_eq!(test_f(1, 4), Ok((1, 4)));
-		assert_eq!(test_f(1, 3), Err(()));
-		assert_eq!(test_f(3, 5), Ok((3, 5)));
-	}
-}