Improve containers types to use iterable objects

src/Container.php

@@ -230,11 +230,11 @@ private function addDefinition(string $id, $definition): void
  /**
  * Sets multiple definitions at once.
  *
- * @param array $config Definitions indexed by their IDs.
+ * @param iterable $config Definitions indexed by their IDs.
  *
  * @throws InvalidConfigException
  */
- private function addDefinitions(array $config): void
+ private function addDefinitions(iterable $config): void
  {
  /** @var mixed $definition */
  foreach ($config as $id => $definition) {
@@ -258,11 +258,11 @@ private function addDefinitions(array $config): void
  * Each delegate must is a callable in format "function (ContainerInterface $container): ContainerInterface".
  * The container instance returned is used in case a service can not be found in primary container.
  *
- * @param array $delegates
+ * @param iterable $delegates
  *
  * @throws InvalidConfigException
  */
- private function setDelegates(array $delegates): void
+ private function setDelegates(iterable $delegates): void
  {
  $this->delegates = new CompositeContainer();
  foreach ($delegates as $delegate) {
@@ -327,7 +327,7 @@ private function validateDefinition($definition, ?string $id = null): void
  /**
  * @throws InvalidConfigException
  */
- private function validateMeta(array $meta): void
+ private function validateMeta(iterable $meta): void
  {
  /** @var mixed $value */
  foreach ($meta as $key => $value) {
@@ -359,10 +359,10 @@ private function validateMeta(array $meta): void
  */
  private function validateDefinitionTags($tags): void
  {
- if (!is_array($tags)) {
+ if (!is_iterable($tags)) {
  throw new InvalidConfigException(
  sprintf(
- 'Invalid definition: tags should be array of strings, %s given.',
+ 'Invalid definition: tags should be iterable object or array of strings, %s given.',
  $this->getVariableType($tags)
  )
  );
@@ -395,7 +395,7 @@ private function validateDefinitionReset($reset): void
  /**
  * @throws InvalidConfigException
  */
- private function setTags(array $tags): void
+ private function setTags(iterable $tags): void
  {
  if ($this->validate) {
  foreach ($tags as $tag => $services) {
@@ -407,10 +407,10 @@ private function setTags(array $tags): void
  )
  );
  }
- if (!is_array($services)) {
+ if (!is_iterable($services)) {
  throw new InvalidConfigException(
  sprintf(
- 'Invalid tags configuration: tag should contain array of service IDs, %s given.',
+ 'Invalid tags configuration: tag should be iterable object or array of service IDs, %s given.',
  $this->getVariableType($services)
  )
  );
@@ -436,7 +436,7 @@ private function setTags(array $tags): void
  /**
  * @psalm-param string[] $tags
  */
- private function setDefinitionTags(string $id, array $tags): void
+ private function setDefinitionTags(string $id, iterable $tags): void
  {
  foreach ($tags as $tag) {
  if (!isset($this->tags[$tag]) || !in_array($id, $this->tags[$tag], true)) {
@@ -545,7 +545,7 @@ private function buildInternal(string $id)
  * @throws CircularReferenceException
  * @throws InvalidConfigException
  */
- private function addProviders(array $providers): void
+ private function addProviders(iterable $providers): void
  {
  $extensions = [];
  /** @var mixed $provider */