Remove map module from la-arena public API

It’s unlikely that more items will be added to the module,
so it’s simpler for users if `ArenaMap` is re-exported
and the module made private.

2 files changed, 2 insertions, 3 deletions

diff --git a/lib/arena/src/lib.rs b/lib/arena/src/lib.rs
index 3169aa5b8..b15fe941d 100644
--- a/lib/arena/src/lib.rs
+++ b/lib/arena/src/lib.rs
@@ -8,7 +8,8 @@ use std::{
     ops::{Index, IndexMut},
 };
 
-pub mod map;
+mod map;
+pub use map::ArenaMap;
 
 #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct RawId(u32);
diff --git a/lib/arena/src/map.rs b/lib/arena/src/map.rs
index 0f33907c0..8a8063b7e 100644
--- a/lib/arena/src/map.rs
+++ b/lib/arena/src/map.rs
@@ -1,5 +1,3 @@
-//! A map from arena IDs to some other type. Space requirement is O(highest ID).
-
 use std::marker::PhantomData;
 
 use crate::Idx;