Replace Variant with SumType

tests/tanya/tests/typecons.d

@@ -21,104 +21,3 @@ import tanya.typecons;
     static assert(!is(Tuple!(int, double, char)));
     static assert(!is(Tuple!(int, "first", double, "second", char, "third")));
 }
-
-@nogc nothrow pure @safe unittest
-{
-    Variant!(int, double) variant;
-    variant = 5;
-    assert(variant.peek!int);
-}
-
-@nogc nothrow pure @safe unittest
-{
-    Variant!(int, double) variant;
-    variant = 5.0;
-    assert(!variant.peek!int);
-}
-
-@nogc nothrow pure @safe unittest
-{
-    Variant!(int, double) variant = 5;
-    assert(variant.get!int == 5);
-}
-
-@nogc nothrow pure @safe unittest
-{
-    static assert(is(Variant!(int, float)));
-    static assert(is(Variant!int));
-}
-
-@nogc nothrow pure @safe unittest
-{
-    static struct WithDestructorAndCopy
-    {
-        this(this) @nogc nothrow pure @safe
-        {
-        }
-
-        ~this() @nogc nothrow pure @safe
-        {
-        }
-    }
-    static assert(is(Variant!WithDestructorAndCopy));
-}
-
-// Equality compares the underlying objects
-@nogc nothrow pure @safe unittest
-{
-    Variant!(int, double) variant1 = 5;
-    Variant!(int, double) variant2 = 5;
-    assert(variant1 == variant2);
-}
-
-@nogc nothrow pure @safe unittest
-{
-    Variant!(int, double) variant1 = 5;
-    Variant!(int, double) variant2 = 6;
-    assert(variant1 != variant2);
-}
-
-// Differently typed variants aren't equal
-@nogc nothrow pure @safe unittest
-{
-    Variant!(int, double) variant1 = 5;
-    Variant!(int, double) variant2 = 5.0;
-    assert(variant1 != variant2);
-}
-
-// Uninitialized variants are equal
-@nogc nothrow pure @safe unittest
-{
-    Variant!(int, double) variant1, variant2;
-    assert(variant1 == variant2);
-}
-
-// Calls postblit constructor of the active type
-@nogc nothrow pure @safe unittest
-{
-    static struct S
-    {
-        bool called;
-
-        this(this)
-        {
-            this.called = true;
-        }
-    }
-    Variant!(int, S) variant1 = S();
-    auto variant2 = variant1;
-    assert(variant2.get!S.called);
-}
-
-// Variant.type is null if the Variant doesn't have a value
-@nogc nothrow pure @safe unittest
-{
-    Variant!(int, uint) variant;
-    assert(variant.type is null);
-}
-
-// Variant can contain only distinct types
-@nogc nothrow pure @safe unittest
-{
-    static assert(!is(Variant!(int, int)));
-}