Hans Elias J. hansihe

## playground.rs
use std::marker::PhantomData;

struct Env;
#[derive(Clone, Copy)]
struct Term<'a> {
    life: PhantomData<&'a Env>,
}

// Decodes a Term to a rust value. This interfaces with native code.
trait Decoder: Sized {
	use std::marker::PhantomData;

	struct Env;
	#[derive(Clone, Copy)]
	struct Term<'a> {
	life: PhantomData<&'a Env>,
	}

	// Decodes a Term to a rust value. This interfaces with native code.
	trait Decoder: Sized {