todo: fix unions or remove them

union/union.go

@@ -36,7 +36,7 @@ type anystruct any
 //		float32
 //	})
 type Of[T anystruct] struct {
-	typ reflect.Kind
+	typ reflect.Type
 	mem []byte
 }
 
@@ -47,39 +47,25 @@ func (u Of[T]) Size() uintptr {
 // String returns the string representation of a union.
 func (u Of[T]) String() string {
 	var b strings.Builder
-	b.WriteString("union[")
-	if u.typ == reflect.Invalid {
+
+	fmt.Fprintf(&b, "union[%s] = ", reflect.TypeFor[T]().String())
+	if u.typ == nil {
 		b.WriteString("none")
 	} else {
 		b.WriteString(u.typ.String())
 	}
-	b.WriteString("] {")
 
-	t := reflect.TypeFor[T]()
-	if t.Kind() == reflect.Struct {
-		b.WriteByte(' ')
-		fields := getInternalFields(u)
-		for i, field := range fields {
-			b.WriteString(field.Type.String())
-			if i < len(fields)-1 {
-				b.WriteString("; ")
-			}
-		}
-		b.WriteByte(' ')
-	}
-
-	b.WriteByte('}')
 	return b.String()
 }
 
 // Is returns true if the given type is currently stored in the union.
 func Is[E any, T anystruct](u Of[T]) bool {
 	// Explicit invalid check to make sure invalid types don't result in false-positives.
-	if u.typ == reflect.Invalid {
+	if u.typ == nil {
 		return false
 	}
 
-	return u.typ == reflect.TypeFor[E]().Kind()
+	return u.typ == reflect.TypeFor[E]()
 }
 
 // Set overwrites the backing memory of a union with the given value; initializing the union if uninitialized.
@@ -91,8 +77,8 @@ func Set[V any, T anystruct](u *Of[T], value V) {
 		u.mem = make([]byte, mem.Sizeof[T]())
 	}
 
-	*(*V)(unsafe.Pointer(&u.mem[0])) = value
-	u.typ = reflect.TypeFor[V]().Kind()
+	unsafe.Slice((*V)(unsafe.Pointer(&u.mem[0])), 1)[0] = value
+	u.typ = reflect.TypeFor[V]()
 }
 
 // SetSafe overwrites the backing memory of a union with the given value,
@@ -107,8 +93,8 @@ func SetSafe[V any, T anystruct](u *Of[T], value V) error {
 	vt := reflect.TypeFor[V]()
 	for _, field := range getInternalFields(*u) {
 		if field.Type == vt {
-			*(*V)(unsafe.Pointer(&u.mem[0])) = value
-			u.typ = reflect.TypeFor[V]().Kind()
+			unsafe.Slice((*V)(unsafe.Pointer(&u.mem[0])), 1)[0] = value
+			u.typ = reflect.TypeFor[V]()
 			return nil
 		}
 	}
@@ -125,7 +111,7 @@ func Get[V any, T anystruct](u Of[T]) V {
 		panic(ErrUninitializedAccess)
 	}
 
-	return *(*V)(unsafe.Pointer(&u.mem[0]))
+	return unsafe.Slice((*V)(unsafe.Pointer(&u.mem[0])), 1)[0]
 }
 
 // GetSafe returns the union's backing memory interpreted as a value of type V, returning an error if the type
@@ -140,7 +126,7 @@ func GetSafe[V any, T anystruct](u Of[T]) (V, error) {
 	vt := reflect.TypeFor[V]()
 	for _, field := range getInternalFields(u) {
 		if field.Type == vt {
-			return *(*V)(unsafe.Pointer(&u.mem[0])), nil
+			return unsafe.Slice((*V)(unsafe.Pointer(&u.mem[0])), 1)[0], nil
 		}
 	}