intercom-attributes 0.4.0

See 'intercom'
Documentation 
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extern crate intercom;

use intercom::{ComItf, ComRc, ComResult};

#[intercom::com_interface]
pub trait MyInterface
{
    fn interface_method(&self) {}
}

#[intercom::com_class(MyStruct, MyInterface)]
pub struct MyStruct;

impl MyInterface for MyStruct
{
    fn interface_method(&self) {}
}

#[intercom::com_interface]
impl MyStruct
{
    fn struct_method(&self) {}
}

pub fn from_trait_itf(itf: &ComItf<dyn MyInterface>)
{
    let _: ComRc<dyn MyInterface> = ComRc::from(itf);
    let _: ComRc<dyn MyInterface> = itf.to_owned();

    let _: ComResult<ComRc<MyStruct>> = ComItf::query_interface(itf);
}

pub fn from_struct_itf(itf: &ComItf<MyStruct>)
{
    let _: ComRc<MyStruct> = ComRc::from(itf);
    let _: ComRc<MyStruct> = itf.to_owned();

    let _: ComResult<ComRc<dyn MyInterface>> = ComItf::query_interface(itf);
}

pub fn from_struct(s1: intercom::ComBox<MyStruct>, s2: intercom::ComBox<MyStruct>)
{
    let _: ComRc<dyn MyInterface> = ComRc::from(s1);
    let _: ComRc<MyStruct> = ComRc::from(s2);
}

pub fn from_struct_ref(s: &intercom::ComBox<MyStruct>)
{
    let _: ComRc<dyn MyInterface> = ComRc::from(s);
    let _: ComRc<MyStruct> = ComRc::from(s);
}

pub fn pass_comrc(rc: ComRc<dyn MyInterface>)
{
    from_trait_itf(&rc);
}