e.g. for nested functions
sort array of numbers
Merge pull request #26 from ruslanskorb/gh-pages

[Update] Array (from "Arrays and Dictionaries").
Rename empty array variants

We know the arrays are variants from the comment above. This makes the variable names more readable.
See #26
Add tuple pattern
Add operator keyword
Added a extension example
Added Array Subscripting example.

Also explained how to cast the return type of subscripting (Slice) back to Array in order to satisfy the type checker
Added basic docs for operator overloading
Added line break
Merge pull request #29 from terhechte/gh-pages

Added more examples for extensions, array subscripting, and overloading
Update formatting

Split array and dictionary sections.
Remove the pdf link since it's outdated
Fixes #31
Issue #32 - Better explanation of values in array range
Merge pull request #33 from dhsto/gh-pages

Issue #32 - Better explanation of values in array range
willset and didset examples
Update README.md
format indentation.
Made emoji image mobile friendly. Fixes #30