Skylib module containing functions that operate on collections.
## collections.after_each
collections.after_each(separator, iterable)
Inserts `separator` after each item in `iterable`.
**PARAMETERS**
| Name | Description | Default Value |
| :------------- | :------------- | :------------- |
| separator | The value to insert after each item in iterable. | none |
| iterable | The list into which to intersperse the separator. | none |
**RETURNS**
A new list with `separator` after each item in `iterable`.
## collections.before_each
collections.before_each(separator, iterable)
Inserts `separator` before each item in `iterable`.
**PARAMETERS**
| Name | Description | Default Value |
| :------------- | :------------- | :------------- |
| separator | The value to insert before each item in iterable. | none |
| iterable | The list into which to intersperse the separator. | none |
**RETURNS**
A new list with `separator` before each item in `iterable`.
## collections.uniq
collections.uniq(iterable)
Returns a list of unique elements in `iterable`.
Requires all the elements to be hashable.
**PARAMETERS**
| Name | Description | Default Value |
| :------------- | :------------- | :------------- |
| iterable | An iterable to filter. | none |
**RETURNS**
A new list with all unique elements from `iterable`.