Move the succ! macro to its own file (#1598)

Co-authored-by: Ed Page <eopage@gmail.com>

src/branch/mod.rs

@@ -1,29 +1,5 @@
 //! Choice combinators
 
-macro_rules! succ (
-  (0, $submac:ident ! ($($rest:tt)*)) => ($submac!(1, $($rest)*));
-  (1, $submac:ident ! ($($rest:tt)*)) => ($submac!(2, $($rest)*));
-  (2, $submac:ident ! ($($rest:tt)*)) => ($submac!(3, $($rest)*));
-  (3, $submac:ident ! ($($rest:tt)*)) => ($submac!(4, $($rest)*));
-  (4, $submac:ident ! ($($rest:tt)*)) => ($submac!(5, $($rest)*));
-  (5, $submac:ident ! ($($rest:tt)*)) => ($submac!(6, $($rest)*));
-  (6, $submac:ident ! ($($rest:tt)*)) => ($submac!(7, $($rest)*));
-  (7, $submac:ident ! ($($rest:tt)*)) => ($submac!(8, $($rest)*));
-  (8, $submac:ident ! ($($rest:tt)*)) => ($submac!(9, $($rest)*));
-  (9, $submac:ident ! ($($rest:tt)*)) => ($submac!(10, $($rest)*));
-  (10, $submac:ident ! ($($rest:tt)*)) => ($submac!(11, $($rest)*));
-  (11, $submac:ident ! ($($rest:tt)*)) => ($submac!(12, $($rest)*));
-  (12, $submac:ident ! ($($rest:tt)*)) => ($submac!(13, $($rest)*));
-  (13, $submac:ident ! ($($rest:tt)*)) => ($submac!(14, $($rest)*));
-  (14, $submac:ident ! ($($rest:tt)*)) => ($submac!(15, $($rest)*));
-  (15, $submac:ident ! ($($rest:tt)*)) => ($submac!(16, $($rest)*));
-  (16, $submac:ident ! ($($rest:tt)*)) => ($submac!(17, $($rest)*));
-  (17, $submac:ident ! ($($rest:tt)*)) => ($submac!(18, $($rest)*));
-  (18, $submac:ident ! ($($rest:tt)*)) => ($submac!(19, $($rest)*));
-  (19, $submac:ident ! ($($rest:tt)*)) => ($submac!(20, $($rest)*));
-  (20, $submac:ident ! ($($rest:tt)*)) => ($submac!(21, $($rest)*));
-);
-
 #[cfg(test)]
 mod tests;
 

src/lib.rs

@@ -438,16 +438,17 @@ pub use self::traits::*;
 
 pub use self::str::*;
 
+#[macro_use]
+mod macros;
 #[macro_use]
 pub mod error;
 
+pub mod branch;
 pub mod combinator;
 mod internal;
-mod traits;
-#[macro_use]
-pub mod branch;
 pub mod multi;
 pub mod sequence;
+mod traits;
 
 pub mod bits;
 pub mod bytes;

src/macros.rs

@@ -0,0 +1,23 @@
+macro_rules! succ (
+  (0, $submac:ident ! ($($rest:tt)*)) => ($submac!(1, $($rest)*));
+  (1, $submac:ident ! ($($rest:tt)*)) => ($submac!(2, $($rest)*));
+  (2, $submac:ident ! ($($rest:tt)*)) => ($submac!(3, $($rest)*));
+  (3, $submac:ident ! ($($rest:tt)*)) => ($submac!(4, $($rest)*));
+  (4, $submac:ident ! ($($rest:tt)*)) => ($submac!(5, $($rest)*));
+  (5, $submac:ident ! ($($rest:tt)*)) => ($submac!(6, $($rest)*));
+  (6, $submac:ident ! ($($rest:tt)*)) => ($submac!(7, $($rest)*));
+  (7, $submac:ident ! ($($rest:tt)*)) => ($submac!(8, $($rest)*));
+  (8, $submac:ident ! ($($rest:tt)*)) => ($submac!(9, $($rest)*));
+  (9, $submac:ident ! ($($rest:tt)*)) => ($submac!(10, $($rest)*));
+  (10, $submac:ident ! ($($rest:tt)*)) => ($submac!(11, $($rest)*));
+  (11, $submac:ident ! ($($rest:tt)*)) => ($submac!(12, $($rest)*));
+  (12, $submac:ident ! ($($rest:tt)*)) => ($submac!(13, $($rest)*));
+  (13, $submac:ident ! ($($rest:tt)*)) => ($submac!(14, $($rest)*));
+  (14, $submac:ident ! ($($rest:tt)*)) => ($submac!(15, $($rest)*));
+  (15, $submac:ident ! ($($rest:tt)*)) => ($submac!(16, $($rest)*));
+  (16, $submac:ident ! ($($rest:tt)*)) => ($submac!(17, $($rest)*));
+  (17, $submac:ident ! ($($rest:tt)*)) => ($submac!(18, $($rest)*));
+  (18, $submac:ident ! ($($rest:tt)*)) => ($submac!(19, $($rest)*));
+  (19, $submac:ident ! ($($rest:tt)*)) => ($submac!(20, $($rest)*));
+  (20, $submac:ident ! ($($rest:tt)*)) => ($submac!(21, $($rest)*));
+);