Added generics to Collection

Collection.go

@@ -2,41 +2,39 @@ package ocean
 
 import "sync"
 
-type Collection interface {
-	Get(key string) (value any, ok bool)
+type Collection[T any] interface {
+	Get(key string) (value T, ok bool)
 }
 
 // collection is a hash map of homogeneous data.
-type collection struct {
+type collection[T any] struct {
 	data sync.Map
 	name string
 }
 
-// Force interface implementation
-var _ Collection = (*collection)(nil)
-
 // NewCollection creates a new collection with the given name.
-func NewCollection(name string) *collection {
-	return &collection{name: name}
+func NewCollection[T any](name string) *collection[T] {
+	return &collection[T]{name: name}
 }
 
 // Get returns the value for the given key.
-func (c *collection) Get(key string) (value any, ok bool) {
-	return c.data.Load(key)
+func (c *collection[T]) Get(key string) (T, bool) {
+	value, exists := c.data.Load(key)
+	return value.(T), exists
 }
 
 // Set sets the value for the given key.
-func (c *collection) Set(key string, value any) {
+func (c *collection[T]) Set(key string, value T) {
 	c.data.Store(key, value)
 }
 
 // Delete deletes a key from the collection.
-func (c *collection) Delete(key string) {
+func (c *collection[T]) Delete(key string) {
 	c.data.Delete(key)
 }
 
 // Exists returns whether or not the key exists.
-func (c *collection) Exists(key string) bool {
+func (c *collection[T]) Exists(key string) bool {
 	_, exists := c.data.Load(key)
 	return exists
 }

Collection_test.go

@@ -8,7 +8,7 @@ import (
 )
 
 func TestNewCollection(t *testing.T) {
-	users := ocean.NewCollection("User")
+	users := ocean.NewCollection[string]("User")
 
 	assert.False(t, users.Exists("Hello"))
 	assert.False(t, users.Exists("World"))