swiftfiddle.com/<gist_id_goes_here>
<gist_id_goes_here>
import Algorithms
import Atomics
import Collections
import Crypto
import Numerics
import SystemPackage
SwiftFiddle is an online playground for creating, sharing and embedding Swift fiddles (little Swift programs that run directly in your browser).
Visualize Swift AST and select nodes within the editor, a great way to learn about the structure of Swift syntax trees.
Format a Swift code, making it readable and pretty, with the proper indentation.