🚚 refactor: Rename insert_case4 to insert_case3.

Author: make-github-pseudonymous-again

src/index.js

@@ -21,7 +21,7 @@ export {default as insert} from './insertion/insert.js';
 export {default as insert_case0} from './insertion/insert_case0.js';
 export {default as insert_case1} from './insertion/insert_case1.js';
 export {default as insert_case2} from './insertion/insert_case2.js';
-export {default as insert_case4} from './insertion/insert_case4.js';
+export {default as insert_case3} from './insertion/insert_case3.js';
 export {default as insert_case5} from './insertion/insert_case5.js';
 export {default as rotate_left} from './rotate/rotate_left.js';
 export {default as rotate_right} from './rotate/rotate_right.js';

src/insertion/insert_case2.js

@@ -5,7 +5,7 @@ import RED from '../color/RED.js';
 import uncle from '../family/uncle.js';
 import grandparent from '../family/grandparent.js';
 import insert_case0 from './insert_case0.js';
-import insert_case4 from './insert_case4.js';
+import insert_case3 from './insert_case3.js';
 
 /**
  * Preconditions:
@@ -45,7 +45,7 @@ const insert_case2 = (n) => {
 		const g = grandparent(n);
 		g._color = RED;
 		insert_case0(g);
-	} else insert_case4(n);
+	} else insert_case3(n);
 };
 
 export default insert_case2;

src/insertion/insert_case4.js renamed to src/insertion/insert_case3.js

@@ -19,7 +19,7 @@ import insert_case5 from './insert_case5.js';
  *
  * @param {Node} n - The input node.
  */
-const insert_case4 = (n) => {
+const insert_case3 = (n) => {
 	assert(n instanceof Node);
 	assert(n._color === RED);
 	assert(n.left === null || n.left._color === BLACK);
@@ -89,4 +89,4 @@ const insert_case4 = (n) => {
 	insert_case5(n);
 };
 
-export default insert_case4;
+export default insert_case3;