std_tools 0.1.4

Collection of general purpose tools for solving problems. Fundamentally extend the language without spoiling, so may be used solely or in conjunction with another module of such kind.
Documentation 
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/// Internal namespace.
pub( crate ) mod private
{
  use crate::*;

  /// ChangerInterface of brush stroke.
  #[ allow( dead_code ) ]
  #[ derive( Debug, Clone ) ]
  pub struct DrawChanger
  {
    pub( crate ) id : Id,
    pub( crate ) context_changer : ContextChanger,
  }

  impl DrawChanger
  {
    /// Constructor.
    #[ inline ]
    pub( crate ) fn _new( mut context_changer : ContextChanger ) -> Self
    {
      let id = &mut context_changer.drawing;
      if id.is_none()
      {
        *id = Some( Id::new::< Self >() );
        DrawingChangeNew::new( id.unwrap().clone() ).add_to( &mut context_changer );
      }
      let id = context_changer.drawing.unwrap();
      Self
      {
        id,
        context_changer,
      }
    }
    /// ChangeInterface color.
    #[ inline ]
    pub fn rect( self ) -> RectChanger
    {
      let change = RectChanger::_new( self );
      change
    }
  }

  impl ChangerInterface for DrawChanger
  {
    type Parent = ContextChanger;
    type Root = ContextChanger;

    #[ inline ]
    fn context( self ) -> Self::Root
    {
      self.context_changer
    }

    #[ inline ]
    fn parent( &mut self ) -> &mut Self::Parent
    {
      &mut self.context_changer
    }

    #[ inline ]
    fn end( self ) -> Self::Parent
    {
      self.context_changer
    }

  }

  impl HasIdInterface for DrawChanger
  {
    #[ inline ]
    fn id( &self ) -> Id
    {
      self.context_changer.id()
    }
  }

}

/// Protected namespace of the module.
pub mod protected
{
  pub use super::
  {
    orphan::*,
  };
}

pub use protected::*;

/// Parented namespace of the module.
pub mod orphan
{
  pub use super::exposed::*;
}

/// Exposed namespace of the module.
pub mod exposed
{
  pub use super::
  {
    prelude::*,
    private::DrawChanger,
  };
}

/// Prelude to use essentials: `use my_module::prelude::*`.
pub mod prelude
{
  // pub use super::
  // {
  // };
}