🚚 refactor: Rename insert_case3 to insert_case2.

Author: make-github-pseudonymous-again

src/index.js

@@ -20,7 +20,7 @@ export {default as uncle} from './family/uncle.js';
 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_case3} from './insertion/insert_case3.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_case5} from './insertion/insert_case5.js';
 export {default as rotate_left} from './rotate/rotate_left.js';

src/insertion/insert_case1.js

@@ -2,7 +2,7 @@ import assert from 'assert';
 import Node from '../types/Node.js';
 import BLACK from '../color/BLACK.js';
 import RED from '../color/RED.js';
-import insert_case3 from './insert_case3.js';
+import insert_case2 from './insert_case2.js';
 
 /**
  * Preconditions:
@@ -30,7 +30,7 @@ const insert_case1 = (n) => {
 	 */
 	if (n.parent._color === BLACK) return;
 
-	insert_case3(n);
+	insert_case2(n);
 };
 
 export default insert_case1;

src/insertion/insert_case3.js renamed to src/insertion/insert_case2.js

@@ -16,7 +16,7 @@ import insert_case4 from './insert_case4.js';
  *
  * @param {Node} n - The input node.
  */
-const insert_case3 = (n) => {
+const insert_case2 = (n) => {
 	assert(n instanceof Node);
 	assert(n._color === RED);
 	assert(n.left === null || n.left._color === BLACK);
@@ -48,4 +48,4 @@ const insert_case3 = (n) => {
 	} else insert_case4(n);
 };
 
-export default insert_case3;
+export default insert_case2;