IO Builder

module io.builder;

import std.stdio;

const format = "%f\n";

struct Vector
{
    float x = 0;
    float y = 0;
    float z = 0;
    float w = 1;
}

void WriteVector(ref Vector victim)
{
    writeln(victim.x);
    writeln(victim.y);
    writeln(victim.z);
    writeln(victim.w);
}

void ReadVector(ref Vector victim)
{
    readf!format(victim.x);
    readf!format(victim.y);
    readf!format(victim.z);
    readf!format(victim.w);
}

interface IO
{
    void Exec(ref float victim);
}

final class Input : IO
{
    void Exec(ref float victim)
    {
        readf!format(victim);
    }
}

final class Output : IO
{
    void Exec(ref float victim)
    {
        writeln(victim);
    }
}

void Io(ref Vector victim, IO io)
{
    io.Exec(victim.x);
    io.Exec(victim.y);
    io.Exec(victim.z);
    io.Exec(victim.w);
}

int main()
{
    Vector fourDimentional;

    //ReadVector(fourDimentional);
    //WriteVector(fourDimentional);

    Io(fourDimentional, new Input());
    Io(fourDimentional, new Output());


    return 0;
}