Struct Iso 

pub struct Iso<S, A> { /* private fields */ }

An isomorphism between types S and A.

Implementations

impl<S: 'static, A: 'static> Iso<S, A>

pub fn new( to: impl Fn(S) -> A + 'static, from: impl Fn(A) -> S + 'static, ) -> Self

Create an iso from to/from functions.

pub fn view(&self, s: S) -> A

Apply the forward direction.

pub fn review(&self, a: A) -> S

Apply the reverse direction.

pub fn get(&self, s: S) -> A

Use this iso as a lens: get.