PromiseKit/Sources/CustomStringConvertible.swift
2019-04-07 16:13:03 -04:00

29 lines
963 B
Swift

extension Promise: CustomStringConvertible {
/// - Returns: A description of the state of this promise.
public var description: String {
switch result {
case nil:
return "Promise(…\(T.self))"
case .failure(let error)?:
return "Promise(\(error))"
case .success(let value)?:
return "Promise(\(value))"
}
}
}
extension Promise: CustomDebugStringConvertible {
/// - Returns: A debug-friendly description of the state of this promise.
public var debugDescription: String {
switch box.inspect() {
case .pending(let handlers):
return "Promise<\(T.self)>.pending(handlers: \(handlers.bodies.count))"
case .resolved(.failure(let error)):
return "Promise<\(T.self)>.failure(\(type(of: error)).\(error))"
case .resolved(.success(let value)):
return "Promise<\(T.self)>.success(\(value))"
}
}
}