import TravisClient

let key: String = "YOUR_TRAVIS_API_KEY"
let client = TravisClient(token: key, host: .org)

client.activeBuilds { (result: Result<Meta<[Build]>, TravisError>) in
    /// In swift 4.1 you can subscript directly into the Result
    let activeBuildCount: Int? = result[\[Build].count]
    let firstBuildPRTitle: String? = result[\.first?.pullRequestTitle]
}

public struct MinimalJob: Codable, Minimal {
    public let id: Int
}

public struct Job: Codable {
    public let id: Int
    public let number: String
    public let state: String
    // 10 other properties
}

let build: Meta<Build>
let minimalJob: Embed<MinimalJob> = build.jobs.first! // don't do this in production code

client.follow(embed: minimalJob) { fullJob in
    print(fullJob[\.state])
}

import TravisClient

let key: String = "YOUR_TRAVIS_API_KEY"
let client = TravisClient(token: key, host: .org)

client.activeBuilds { (result: Result<Meta<[Build]>, TravisError>) in

    #if swift(>=4.1)
    /// In swift 4.1 you can subscript directly into the Result
    let activeBuildCount: Int? = result[\Build.id]
    #else
    /// In swift 4.0 you need to subscript into the optional value of a result.
    let resultBuildNumber: Int? = result.value?[\.id]
    #endif


    /// You can also switch over the result
    switch result {
    case success(let builds: Meta<[Build]>):
        // Find the number of active builds
        builds[\.count])

        // Find the jobs associated with this build
        guard let job: Embed<MinimalJob> = jobs[\.first] else { return }

        // Each API call returns one resource that has a 'standard representation' full object in this case  supports hyper media so you can easily load the full object in a second request.
        client.follow(job) { (jobResult: Meta<Job>) in
            print(jobResult)
        }

        // Or follow a paginated request
        client.follow(builds.pagination?.next) { nextPage in
            print(nextPage)
        }

    case error(let error):
        // handle error
        print(error)
    }
}