John Charankattu johncf

## hkt-ptr.rs
use std::ops::Deref;
use std::rc::Rc;
use std::sync::Arc;

trait Ptr<T> {
    type PT : Deref<Target=T>;
    fn build(val:T) -> Self::PT;
}

#[derive(Debug)]
	use std::ops::Deref;
	use std::rc::Rc;
	use std::sync::Arc;

	trait Ptr<T> {
	type PT : Deref<Target=T>;
	fn build(val:T) -> Self::PT;
	}

	#[derive(Debug)]