// FIXME https://github.com/jfaleiro/library-extensions-rs/issues/1
// #![no_std]
use core_ext::convert::TryTo;

#[derive(Debug)]
enum Error {}

struct A(u8);
impl TryTo<Error> for A {}

struct B(u8);
impl TryFrom<A> for B {
    type Error = Error;
    fn try_from(value: A) -> Result<Self, Error> {
        Ok(Self(value.0 + 1))
    }
}
impl TryTo<Error> for B {}

struct C(u8);
impl TryFrom<B> for C {
    type Error = Error;
    fn try_from(value: B) -> Result<Self, Error> {
        Ok(Self(value.0 + 2))
    }
}
impl TryTo<Error> for C {}

fn main() -> Result<(), Error> {
    assert_eq!(5_u8, A(2).try_to::<B>()?.try_to::<C>()?.0);
    Ok(())
}