This package is included with Vapor by default, just add:
Core provides a lot of conveniences for any server-side Swift project. To include it in your package, add the following to your
import PackageDescription let package = Package( name: "Project", dependencies: [ ... .Package(url: "https://github.com/vapor/core.git", majorVersion: 2) ], exclude: [ ... ] )
import Core to access Core's APIs.