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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use super::Former;

mod split
{

  use super::Former;

  #[ derive( PartialOrd ) ]
  #[ derive( Former, PartialEq, Debug ) ]
  #[ perform( fn perform( self ) -> Box< ( dyn std::iter::Iterator< Item = &'a str > + 'a ) > ) ]
  pub struct Options< 'a >
  {
    pub src : &'a str,
    pub delimeter : &'a str,
    #[ default( true ) ]
    pub left : bool,
  }

  pub trait OptionsAdapter< 'a >
  {
    fn src( &self ) -> &'a str;
    fn delimeter( &self ) -> &'a str;
    fn left( &self ) -> &bool;
    fn src_mut( &mut self ) -> &mut &'a str;
    fn delimeter_mut( &mut self ) -> &mut &'a str;
    fn left_mut( &mut self ) -> &mut bool;
    #[ inline ]
    fn perform( self ) -> Box< ( dyn std::iter::Iterator< Item = &'a str > + 'a ) >
    where
      Self : Sized,
    {
      if *self.left()
      {
        Box::new( self.src().split( self.delimeter() ) )
      }
      else
      {
        Box::new( self.src().rsplit( self.delimeter() ) )
      }
    }
  }

  impl< 'a > OptionsAdapter< 'a > for Options< 'a >
  {

    #[ inline ]
    fn src( &self ) -> &'a str
    {
      &self.src
    }
    #[ inline ]
    fn delimeter( &self ) -> &'a str
    {
      &self.delimeter
    }
    #[ inline ]
    fn left( &self ) -> &bool
    {
      &self.left
    }

    #[ inline ]
    fn src_mut( &mut self ) -> &mut &'a str
    {
      &mut self.src
    }
    #[ inline ]
    fn delimeter_mut( &mut self ) -> &mut &'a str
    {
      &mut self.delimeter
    }
    #[ inline ]
    fn left_mut( &mut self ) -> &mut bool
    {
      &mut self.left
    }

  }

  #[ inline ]
  pub fn former< 'a >() -> OptionsFormer< 'a >
  {
    Options::< 'a >::former()
  }

  pub mod prelude
  {
    pub use super::OptionsAdapter as SplitOptionsAdapter;
    /* zzz : cover by a test */
  }

}

#[ inline ]
fn split< 'a >() -> split::OptionsFormer< 'a >
{
  split::former::< 'a >()
}

//

include!( "./basic_only_test.rs" );