//!
//! Implementation of Entity for a Vec.
//!

use super :: *;

/// Define a private namespace for all its items.
pub mod private
{
  use super :: *;

  // qqq: xxx: implement for Vec
  // aaa: added implementation of Instance trait for Vec
  impl< T > Instance for Vec< T >
  where
  CollectionDescriptor< Vec< T > > : Entity,
  {
  type Entity = CollectionDescriptor :: < Vec< T > >;
  fn _reflect( &self ) -> Self ::Entity
  {
   CollectionDescriptor :: < Self > ::new( self.len() )
 }
  #[ inline( always ) ]
  fn Reflect() -> Self ::Entity
  {
   CollectionDescriptor :: < Self > ::new( 0 )
 }
 }

  impl< T > Entity for CollectionDescriptor< Vec<  T  > >
  where
  T: 'static + Instance,
  {

  #[ inline( always ) ]
  fn is_container( &self ) -> bool
  {
   true
 }

  #[ inline( always ) ]
  fn len( &self ) -> usize
  {
   self.len
 }

  #[ inline( always ) ]
  fn type_name( &self ) -> &'static str
  {
   core ::any ::type_name :: < Vec< T > >()
 }

  #[ inline( always ) ]
  fn type_id( &self ) -> core ::any ::TypeId
  {
   core ::any ::TypeId ::of :: < Vec< T > >()
 }

  #[ inline( always ) ]
  fn elements( &self ) -> Box< dyn Iterator< Item = KeyVal > >
  {
   let result: Vec< KeyVal > = ( 0 .. self.len() )
   .map( | k | KeyVal { key: Primitive ::usize( k ), val: Box ::new( < T as Instance > ::Reflect() ) } )
   .collect();

   Box ::new( result.into_iter() )
 }
 }
}

#[ doc( inline ) ]
#[ allow( unused_imports ) ]
pub use own :: *;

/// Own namespace of the module.
#[ allow( unused_imports ) ]
pub mod own
{
  use super :: *;
  #[ doc( inline ) ]
  pub use orphan :: *;
}

/// Orphan namespace of the module.
#[ allow( unused_imports ) ]
pub mod orphan
{
  use super :: *;
  #[ doc( inline ) ]
  pub use exposed :: *;
  // pub use private ::
  // {
  // };
}

/// Exposed namespace of the module.
#[ allow( unused_imports ) ]
pub mod exposed
{
  use super :: *;
  #[ doc( inline ) ]
  pub use prelude :: *;
}

#[ doc( inline ) ]
#[ allow( unused_imports ) ]
pub use exposed :: *;

/// Prelude to use essentials: `use my_module ::prelude :: *`.
#[ allow( unused_imports ) ]
pub mod prelude
{
  use super :: *;
}
