[Swift] Closure3

import UIKit
import Foundation

//Closure 실전
//조건 -> 특정한 글자가 포함된 것을 찾는다.
//조건 -> 입력한 글자가 첫글자가 되는 것을 찾는다.
let names = ["apple","air","brown","red","orange","blue","candy"]

func someFind(find:String) -> [String]{
    var newNames = [String]()
    
    for name in names{
        if name.contains(find){
            newNames.append(name)
        }
    }
    
    return newNames
}

let containsText:(String,String)->Bool = {name, find in
    if name.contains(find){
        return true
    }
    return false
}

let isStartSome:(String, String) -> Bool = {name, find in
    if name.first?.description == find{
        return true
    }
    return false
}

func find(findString: String,condition: (String,String)->Bool)->[String]{
    var newNames = [String]()
    for name in names{
       if condition(name,findString){
            newNames.append(name)
        }
    }
    return newNames
}

find(findString: "a",condition: containsText)
find(findString: "a", condition: isStartSome)

func someFind2(find:String) -> [String]{
    var newNames = [String]()
    
    for name in names{
        if name.contains(find){
            newNames.append(name)
        }
    }
    
    return newNames
}

someFind(find: "c")