module pind.samples.ja.functions.functions_4;

import std.stdio;
import std.string;
import std.algorithm;

void print(string title, int[] slice) {
    writeln(title, ":");

    foreach (i, element; slice) {
        writefln("%3s:%5s", i, element);
    }
}

int readInt(string message) {
    int result;
    write(message, "? ");
    readf(" %s", &result);
    return result;
}

int[] readNumbers() {
    int[] result;

    int count =
        readInt("How many numbers are you going to enter");

    foreach (i; 0 .. count) {
        result ~= readInt(format("Number %s", i));
    }

    return result;
}

void main() {
    int[] numbers = readNumbers();
    print("Before sorting", numbers);
    sort(numbers);
    print("After sorting", numbers);
}