Finding Letters using Closure and Function

import UIKit
// Closure

// 조건 특정 단어를 찾는다 -> 특정한 글자
// 조건 -> 찾는다 -> 입력 한 글자 로 시작하는 첫글자
let names = ["apple", "air", "brown", "red", "blue", "candy"]

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

let startSomeText: (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: containsSomeText)
find(findString: "a", condition: startSomeText)

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

someFind(find: "c")