tuco-derive 0.1.3

Derive macro for the Tuco crate
Documentation 
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use static_assertions::assert_type_eq_all;
use tuco_core::Tuco;
use tuco_derive::{tuco, Tuco};

#[test]
fn associated_type_regular_struct() {
    #[derive(Tuco)]
    struct A {
        a: i32,
        b: String,
        c: bool,
    }

    assert_type_eq_all!(<A as Tuco>::Tuple, (i32, String, bool));

    let x = A::from_tuple((1, "example".to_string(), false));
    assert_eq!(x.a, 1);
    assert_eq!(x.b, "example".to_string());
    assert_eq!(x.c, false);
}

#[test]
fn struct_with_reference() {
    struct O;
    #[derive(Tuco)]
    struct A<'a, 'b> {
        x: &'a O,
        y: &'b O,
    }

    assert_type_eq_all!(<A as Tuco>::Tuple, (&'_ O, &'_ O));
}

#[test]
fn associated_type_nested_plain() {
    struct Nested;

    #[derive(Tuco)]
    struct A {
        nested: Nested,
    }

    assert_type_eq_all!(<A as Tuco>::Tuple, Nested);
}

#[test]
fn nested_derive() {
    #[derive(Tuco)]
    struct Nested;

    #[derive(Tuco)]
    struct A {
        #[tuco]
        nested: Nested,
    }

    assert_type_eq_all!(<A as Tuco>::Tuple, ());
}

#[test]
fn nested_derive_from_tuco() {
    #[derive(Tuco)]
    struct NestedA;

    #[derive(Tuco)]
    struct NestedB;

    #[derive(Tuco)]
    struct A {
        #[tuco]
        nested: NestedA,
    }

    #[derive(Tuco)]
    struct B {
        #[tuco]
        nested: NestedB,
    }

    B::from_tuco(A { nested: NestedA });

    A::from_tuco(B { nested: NestedB });
}

#[test]
fn generic_struct() {
    #[derive(Tuco)]
    struct Nested<T>(T);

    #[derive(Tuco)]
    struct A {
        nested: Nested<i32>,
    }

    #[derive(Tuco)]
    struct B {
        #[tuco]
        nested: Nested<f32>,
    }

    assert_type_eq_all!(<A as Tuco>::Tuple, Nested<i32>);
    assert_type_eq_all!(<B as Tuco>::Tuple, f32);
}

#[test]
fn nested_structs() {
    #[derive(Tuco)]
    struct A {
        nested: i32,
    }

    #[derive(Tuco)]
    struct B {
        #[tuco]
        nested: A,
    }

    #[derive(Tuco)]
    struct C {
        #[tuco]
        nested: B,
    }

    assert_type_eq_all!(<C as Tuco>::Tuple, i32);
    assert_type_eq_all!(<A as Tuco>::Tuple, <B as Tuco>::Tuple, <C as Tuco>::Tuple);
}