Finished

main.zig

@@ -0,0 +1,44 @@
+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);
+}