fix(devDeps); fix(Iterator): get value - undefined

README.md

@@ -5,7 +5,7 @@ A data structures library based on iterators, inspired by libstdc++
 ## Operators
 
 | Operator    | Naming        |
-| ----------- | ------ |
+| ----------- | ------------- |
 | `+`         | add           |
 | `-`         | sub           |
 | `++obj`     | inc           |
@@ -15,10 +15,10 @@ A data structures library based on iterators, inspired by libstdc++
 | `%`         | mod           |
 | `==`        | eq            |
 | `!=`        | neq           |
-| `<`         | lt     |
+| `<`         | a.cmp(b) < 0  |
-| `>`         | gt     |
+| `>`         | a.cmp(b) > 0  |
-| `<=`        | lte    |
+| `<=`        | a.cmp(b) <= 0 |
-| `>=`        | gte    |
+| `>=`        | a.cmp(b) >= 0 |
 | `&&`        | and           |
 | `=` const & | copy          |
 | `=` &&      | move          |

package.json

@@ -14,7 +14,7 @@
   "author": "Vlad Litvinov <vlad@sek1.ro>",
   "license": "LGPL-3.0-only",
   "type": "module",
-  "dependencies": {
+  "devDependencies": {
     "vitest": "^3.1.1"
   }
 }

src/iterators/Forward.js

@@ -6,7 +6,7 @@ export class ForwardIterator {
   }
 
   get value() {
-    return this.deref().value
+    return this.deref()?.value
   }
 
   set value(value) {

test/List.test.js

@@ -49,6 +49,7 @@ test('move, empty', () => {
 
 test('constructor, assign', () => {
   expect(new List().size()).toEqual(0)
+  expect(new List().back).toEqual(undefined)
   expect(listEquArray(new List(null), [null])).toBeTruthy()
   expect(listEquArray(new List(null, 2), [null, null])).toBeTruthy()
   {