Iterable Duck Types

README.md

@@ -1309,7 +1309,7 @@ class MyAbcSequence(abc.Sequence):
 +------------+------------+------------+------------+--------------+
 |            |  Iterable  | Collection |  Sequence  | abc.Sequence |
 +------------+------------+------------+------------+--------------+
-| iter()     |    REQ     |    REQ     |    Yes     |     Yes      |
+| iter()     |    REQ*    |    REQ     |    Yes     |     Yes      |
 | contains() |    Yes     |    Yes     |    Yes     |     Yes      |
 | len()      |            |    REQ     |    REQ     |     REQ      |
 | getitem()  |            |            |    REQ     |     REQ      |
@@ -1318,7 +1318,8 @@ class MyAbcSequence(abc.Sequence):
 | count()    |            |            |            |     Yes      |
 +------------+------------+------------+------------+--------------+
 ```
-* **Other ABCs that generate missing methods are: MutableSequence, Set, MutableSet, Mapping and MutableMapping.**
+* **Method iter() is required for `'isinstance(<obj>, abc.Iterable)'` to return True, however any object with getitem() will work just fine with any code expecting an iterable.**
+* **Abstract base classes that generate missing methods when extended are: Sequence, MutableSequence, Set, MutableSet, Mapping and MutableMapping.**
 * **Names of their required methods are stored in `'<abc>.__abstractmethods__'`.**
 
 

index.html

@@ -1120,7 +1120,7 @@ Hello World!
 </code></pre></div><div><h4 id="tableofrequiredandautomaticallyavailablespecialmethods">Table of required and automatically available special methods:</h4><pre><code class="text language-text">┏━━━━━━━━━━━━┯━━━━━━━━━━━━┯━━━━━━━━━━━━┯━━━━━━━━━━━━┯━━━━━━━━━━━━━━┓
 ┃            │  Iterable  │ Collection │  Sequence  │ abc.Sequence ┃
 ┠────────────┼────────────┼────────────┼────────────┼──────────────┨
-┃ iter()     │     !      │     !      │     ✓      │      ✓       ┃
+┃ iter()     │     !*     │     !      │     ✓      │      ✓       ┃
 ┃ contains() │     ✓      │     ✓      │     ✓      │      ✓       ┃
 ┃ len()      │            │     !      │     !      │      !       ┃
 ┃ getitem()  │            │            │     !      │      !       ┃
@@ -1131,7 +1131,8 @@ Hello World!
 </code></pre></div>
 
 <ul>
-<li><strong>Other ABCs that generate missing methods are: MutableSequence, Set, MutableSet, Mapping and MutableMapping.</strong></li>
+<li><strong>Method iter() is required for <code class="python hljs"><span class="hljs-string">'isinstance(&lt;obj&gt;, abc.Iterable)'</span></code> to return True, however any object with getitem() will work just fine with any code expecting an iterable.</strong></li>
+<li><strong>Abstract base classes that generate missing methods when extended are: Sequence, MutableSequence, Set, MutableSet, Mapping and MutableMapping.</strong></li>
 <li><strong>Names of their required methods are stored in <code class="python hljs"><span class="hljs-string">'&lt;abc&gt;.__abstractmethods__'</span></code>.</strong></li>
 </ul>
 <div><h2 id="enum"><a href="#enum" name="enum">#</a>Enum</h2><pre><code class="python language-python hljs"><span class="hljs-keyword">from</span> enum <span class="hljs-keyword">import</span> Enum, auto

parse.js

@@ -410,7 +410,7 @@ const DIAGRAM_6_B =
   '┏━━━━━━━━━━━━┯━━━━━━━━━━━━┯━━━━━━━━━━━━┯━━━━━━━━━━━━┯━━━━━━━━━━━━━━┓\n' +
   '┃            │  Iterable  │ Collection │  Sequence  │ abc.Sequence ┃\n' +
   '┠────────────┼────────────┼────────────┼────────────┼──────────────┨\n' +
-  '┃ iter()     │     !      │     !      │     ✓      │      ✓       ┃\n' +
+  '┃ iter()     │     !*     │     !      │     ✓      │      ✓       ┃\n' +
   '┃ contains() │     ✓      │     ✓      │     ✓      │      ✓       ┃\n' +
   '┃ len()      │            │     !      │     !      │      !       ┃\n' +
   '┃ getitem()  │            │            │     !      │      !       ┃\n' +