feat: v2 impl

Author: rejchev

go.mod

@@ -1,3 +1,3 @@
-module github.com/rosemound/opts
+module github.com/rosemound/opts/v2
 
-go 1.24.0
+go 1.25.0

mopts.go

@@ -0,0 +1,66 @@
+package opts
+
+type OptionContainer[T comparable] map[T]any
+
+type Option[T comparable] func(o OptionContainer[T]) error
+
+func CreateContainer[T comparable]() OptionContainer[T] {
+	return OptionContainer[T]{}
+}
+
+func CreateContainerWithOptions[T comparable](o []Option[T]) (OptionContainer[T], error) {
+	c := CreateContainer[T]()
+	if err := c.ApplyA(o); err != nil {
+		return nil, err
+	}
+
+	return c, nil
+}
+
+func CreateContainerWithOptionsS[T comparable](o []Option[T]) OptionContainer[T] {
+	c := CreateContainer[T]()
+	_ = c.ApplySilentA(o)
+	return c
+}
+
+func (c OptionContainer[T]) Set(k T, v any) OptionContainer[T] {
+	c[k] = v
+	return c
+}
+
+func (c OptionContainer[T]) Exist(k T) bool {
+	_, ok := c[k]
+	return ok
+}
+
+func (c OptionContainer[T]) Get(k T) any {
+	return c[k]
+}
+
+func (c OptionContainer[T]) Apply(opts ...Option[T]) error {
+	return c.ApplyA(opts)
+}
+
+func (c OptionContainer[T]) ApplySilent(opts ...Option[T]) error {
+	return c.ApplySilentA(opts)
+}
+
+func (c OptionContainer[T]) ApplyA(opts []Option[T]) error {
+	var err error
+
+	for _, opt := range opts {
+		if err = opt(c); err != nil {
+			return err
+		}
+	}
+
+	return err
+}
+
+func (c OptionContainer[T]) ApplySilentA(opts []Option[T]) error {
+	for _, opt := range opts {
+		opt(c)
+	}
+
+	return nil
+}