O-O-wl

import Foundation



func recognize( input : String ) ->(Double,String,String){
    
    let pattern = "[^0-9.]+"
    
    let regex = try! NSRegularExpression.init(pattern: pattern, options: [])

O-O-wl

import Foundation


enum Unit : String {
    case    cm =   "cm"
    case    m =    "m"
    case inch = "inch"
    case yard = "yard"
    

O-O-wl

import Foundation


enum Unit : String {
    
    
    case    cm =   "cm"
    case    m =    "m"
    case inch = "inch"

O-O-wl

import Foundation


enum Unit : String {
    
    
    case    cm =   "cm"
    case    m =    "m"
    case inch = "inch"

O-O-wl

enum Action {
    case typing(String)
    case tapSearchButton
    case showLastCell
    
    case fetchAutoCompletion([String])
    case fetchSearchResult(SearchResult)
}

O-O-wl

enum SideEffect {
    case requestAutoCompletion(for: String)
    case requestSearch(for: String)
    case loadNextPage(at: Int)
}

O-O-wl

enum Instants {
    case networkError(Error)
}

O-O-wl

struct State {
    var onProgress: Bool
    var hasNextPage: Bool
    var query: String
    var autoCompletions: [String]
    var searchResults: [SearchResult]
    fileprivate var currentPage: Int
    fileprivate var lastPage: Int
}

O-O-wl

protocol ViewModel {
    associatedtype Input
    associatedtype Output

    func transform(_ input: Input) -> Output
}

O-O-wl

struct Output {
	let onProcess: Driver<Bool>
	let searchResults: Driver<[SearchResult]>
	// ....
}