http://twitter.com/takasek/status/936179051366047744 #CodePiece

CodePiece.swift

import Foundation
struct Default: LocalizedError {
}
struct E: LocalizedError {
    let errorDescription: String? = "e"
}
struct F: LocalizedError {
    let failureReason: String? = "f"
}
struct R: LocalizedError {
    let recoverySuggestion: String? = "r"
}
struct H: LocalizedError {
    let helpAnchor: String? = "h"
}
struct EFRH: LocalizedError {
    let errorDescription: String? = "e"
    let failureReason: String? = "f"
    let recoverySuggestion: String? = "r"
    let helpAnchor: String? = "h"
}
let errors: [LocalizedError] = [
    Default(), E(), F(), R(), H(), EFRH()
]
errors.forEach {
    print(
    "[\(type(of: $0))]",
    "\n 📝 \($0.localizedDescription)",
    "\n 📌",
    $0.errorDescription ?? "_",
    $0.failureReason ?? "_",
    $0.recoverySuggestion ?? "_",
    $0.helpAnchor ?? "_"
    )
}
/*
 [Default]
 📝 The operation couldn’t be completed. (__lldb_expr_260.Default error 1.)
 📌 _ _ _ _
 [E]
 📝 e
 📌 e _ _ _
 [F]
 📝 The operation couldn’t be completed. f
 📌 _ f _ _
 [R]
 📝 The operation couldn’t be completed. (__lldb_expr_260.R error 1.)
 📌 _ _ r _
 [H]
 📝 The operation couldn’t be completed. (__lldb_expr_260.H error 1.)
 📌 _ _ _ h
 [EFRH]
 📝 e
 📌 e f r h
 */