loop (forEach wrapper)

loop.swift

import Foundation

func loop(_ count: Int, body: @escaping ((Range<Int>.Element)) throws -> Void) rethrows {
    try (0..<count).forEach(body)
}

func loop(_ count: Int, body: @escaping (() throws -> Void)) rethrows {
    (0..<count).forEach { _ in
        try? body()
    }
}

loop(3) {
    print("loop!")
}

// loop!
// loop!
// loop!

loop(3) {
    print("loop : \($0)")
}

// loop : 0
// loop : 1
// loop : 2