Refactor(register): replace reflect (#123)

provider/factory.go

@@ -1,7 +1,7 @@
 package provider
 
 import (
- "reflect"
+ "fmt"
  "sync"
 )
 
@@ -22,27 +22,21 @@ func Register[T Provider](name string, factory func() T) {
  factoryMu.Lock()
  defer factoryMu.Unlock()
 
- // Get the return type of the factory function.
- t := reflect.TypeOf(factory).Out(0)
-
- // Track if the factory has been registered.
  registered := false
+ provider := *new(T)
 
- // Check if the return type implements ActorProvider.
- if t.Implements(reflect.TypeOf((*ActorProvider)(nil)).Elem()) {
+ if _, ok := any(provider).(ActorProvider); ok {
  actorFactories[name] = func() ActorProvider { return any(factory()).(ActorProvider) }
  registered = true
  }
 
- // Check if the return type implements MovieProvider.
- if t.Implements(reflect.TypeOf((*MovieProvider)(nil)).Elem()) {
+ if _, ok := any(provider).(MovieProvider); ok {
  movieFactories[name] = func() MovieProvider { return any(factory()).(MovieProvider) }
  registered = true
  }
 
- // Panic if the factory does not implement either interface.
  if !registered {
- panic("invalid provider factory: func() " + t.String())
+ panic(fmt.Sprintf("invalid provider factory: func() %T", provider))
  }
 }