Move more files into diff/

src/diff/dijkstra.rs

@@ -4,7 +4,7 @@
 use std::{cmp::Reverse, env, rc::Rc};
 
 use crate::{
-    changes::ChangeMap,
+    diff::changes::ChangeMap,
     diff::graph::{neighbours, populate_change_map, Edge, Vertex},
     parse::syntax::Syntax,
 };
@@ -169,7 +169,7 @@ pub fn mark_syntax<'a>(
 mod tests {
     use super::*;
     use crate::{
-        changes::ChangeKind,
+        diff::changes::ChangeKind,
         diff::graph::Edge::*,
         positions::SingleLineSpan,
         syntax::{init_all_info, AtomKind},

src/diff/graph.rs

@@ -10,7 +10,7 @@ use std::{
 use strsim::normalized_levenshtein;
 
 use crate::{
-    changes::{insert_deep_unchanged, ChangeKind, ChangeMap},
+    diff::changes::{insert_deep_unchanged, ChangeKind, ChangeMap},
     parse::syntax::{AtomKind, Syntax, SyntaxId},
 };
 use Edge::*;

src/diff/mod.rs

@@ -3,3 +3,4 @@ mod graph;
 pub mod myers_diff;
 pub mod sliders;
 pub mod unchanged;
+pub mod changes;

src/diff/sliders.rs

@@ -30,7 +30,7 @@
 //! (B in this example).
 
 use crate::{
-    changes::{insert_deep_novel, insert_deep_unchanged, ChangeKind::*, ChangeMap},
+    diff::changes::{insert_deep_novel, insert_deep_unchanged, ChangeKind::*, ChangeMap},
     parse::guess_language,
     positions::SingleLineSpan,
     parse::syntax::Syntax,

src/diff/unchanged.rs

@@ -1,7 +1,7 @@
 //! Find nodes that are obviously unchanged, so we can run the main
 //! diff on smaller inputs.
 
-use crate::changes::{insert_deep_unchanged, ChangeKind, ChangeMap};
+use crate::diff::changes::{insert_deep_unchanged, ChangeKind, ChangeMap};
 use crate::diff::myers_diff;
 
 use crate::parse::syntax::Syntax;

src/main.rs

@@ -13,7 +13,6 @@
 // the number of arguments and triggering this lint.
 #![allow(clippy::too_many_arguments)]
 
-mod changes;
 mod constants;
 mod diff;
 mod display;
@@ -32,7 +31,7 @@ extern crate log;
 use crate::diff::{dijkstra, unchanged};
 use crate::hunks::{matched_pos_to_hunks, merge_adjacent};
 use crate::parse::syntax;
-use changes::ChangeMap;
+use diff::changes::ChangeMap;
 use display::context::opposite_positions;
 use files::{is_probably_binary, read_files_or_die, read_or_die, relative_paths_in_either};
 use log::info;

src/parse/syntax.rs

@@ -6,8 +6,8 @@ use std::{cell::Cell, collections::HashMap, env, fmt, hash::Hash, num::NonZeroU3
 use typed_arena::Arena;
 
 use crate::{
-    changes::ChangeKind,
+    diff::changes::ChangeKind,
-    changes::{ChangeKind::*, ChangeMap},
+    diff::changes::{ChangeKind::*, ChangeMap},
     diff::myers_diff,
     lines::{LineNumber, NewlinePositions},
     positions::SingleLineSpan,