const std = @import("std");
const expect = std.testing.expect;

const MeinTyp = struct {
    a: f64,
    b: f64,
    fn init(self: *MeinTyp) void {
        self.a = 1.0;
        self.b = 1.0;
    }
};

fn MyType(comptime T:type) type {
    return struct {
        const Self = @This();
        a: T,
        b: T,
        fn init(this: *Self) void {
            this.a = 1.0;
            this.b = 1.0;
        }
    };
}


test "MeinTyp" {
    var mt: MeinTyp = undefined;
    mt.init();
    try expect(mt.a == 1.0);
    try expect(mt.b == 1.0);
}

test "MyType" {
    const Myt = MyType(f64);
    var myInt: Myt = undefined;
    myInt.init();
    try expect(myInt.a == 1.0);
    try expect(myInt.b == 1.0);
    
    myInt.a = 2.0;
    myInt.b = 3.0;
    try expect(myInt.a == 2.0);
    try expect(myInt.b == 3.0);
}