Created
November 27, 2018 03:44
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point free caching github api example
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let cachingGitHub = CachingGitHub() | |
struct GitHub { | |
var latestRepos: () -> [Repo] = { return cachingGitHub.latestRepos } | |
var fetchRepos: (@escaping (Result<[Repo], APIError>) -> Void) -> Void = cachingGitHub.fetchRepos | |
} | |
class CachingGitHub { | |
var latestRepos = [Repo]() | |
func fetchRepos(completion: @escaping (Result<[Repo], APIError>) -> Void) { | |
_fetchRepos { result in | |
switch result { | |
case .success(let repos): | |
self.latestRepos = repos | |
default: | |
break | |
} | |
completion(result) | |
} | |
} | |
} | |
static func _fetchRepos : (@escaping (Result<[Repo], APIError>) -> Void) -> Void { | |
... | |
} | |
private var latestRepos: [Repo] { | |
get { return latestReposQueue.sync { _latestRepos } } | |
set { latestReposQueue.async { _latestRepos = newValue } } | |
} | |
private let latestReposQueue = DispatchQueue(label: "latestRepos") | |
private var _latestRepos: [Repo] = [] |
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