import std.stdio;
import std.string;
import std.conv;

void main()
{
    hello();
    writeln("---");
    writeln(firstHundred());
    writeln("---");
    writeln(isAnagram("Male ness", "Sales Men"));
    writeln(removeLetterFromWord("hello", 'l'));
    writeln(sumArray(firstHundred()));
}

void hello()
{
    writeln("Hello World!");
}

int[] firstHundred()
{
    int[] results;
    int i = 0;

    while (results.length < 100)
    {
        if (i % 3 == 0 && i % 5 == 0)
        {
            results ~= i;
        }

        i++;
    }

    return results;
}

bool isAnagram(in string a, in string b)
{
    auto aCopy = a.toLower.removechars(" ").dup;
    auto bCopy = b.toLower.removechars(" ").dup;

    aCopy.sort;
    bCopy.sort;

    return aCopy.length == bCopy.length && aCopy == bCopy;
}

string removeLetterFromWord(in string word, in char letter)
{
    return word.removechars(letter.to!string ~ letter.to!string.toUpper);
}

int sumArray(in int[] arr)
{
    int sum = 0;
    foreach(int i; arr)
    {
        sum += i;
    }
    return sum;
}