minor #24969 Replace array|\Traversable by iterable (ro0NL)

This PR was merged into the 2.7 branch.

Discussion
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Replace array|\Traversable by iterable

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #... <!-- #-prefixed issue number(s), if any -->
| License       | MIT
| Doc PR        | symfony/symfony-docs#... <!--highly recommended for new features-->

Replace `array|\Traversable` by `iterable`, favoring pure API (or less mixed at least :)) and be clear whenever phpdoc is replaced.

https://secure.php.net/manual/en/language.types.iterable.php

Commits
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278088931b Replace array|\Traversable by iterable

Author: fabpot

ChoiceList/ArrayChoiceList.php

@@ -58,11 +58,11 @@ class ArrayChoiceList implements ChoiceListInterface
      *
      * The given choice array must have the same array keys as the value array.
      *
-     * @param array|\Traversable $choices The selectable choices
-     * @param callable|null      $value   The callable for creating the value
-     *                                    for a choice. If `null` is passed,
-     *                                    incrementing integers are used as
-     *                                    values
+     * @param iterable      $choices The selectable choices
+     * @param callable|null $value   The callable for creating the value
+     *                               for a choice. If `null` is passed,
+     *                               incrementing integers are used as
+     *                               values
      */
     public function __construct($choices, $value = null)
     {

ChoiceList/Factory/ChoiceListFactoryInterface.php

@@ -31,9 +31,9 @@ interface ChoiceListFactoryInterface
      * The callable receives the choice as first and the array key as the second
      * argument.
      *
-     * @param array|\Traversable $choices The choices
-     * @param null|callable      $value   The callable generating the choice
-     *                                    values
+     * @param iterable      $choices The choices
+     * @param null|callable $value   The callable generating the choice
+     *                               values
      *
      * @return ChoiceListInterface The choice list
      */

ChoiceList/Factory/PropertyAccessDecorator.php

@@ -63,7 +63,7 @@ public function getDecoratedFactory()
     /**
      * {@inheritdoc}
      *
-     * @param array|\Traversable                $choices The choices
+     * @param iterable                          $choices The choices
      * @param null|callable|string|PropertyPath $value   The callable or path for
      *                                                   generating the choice values
      *