roast2d_derive 0.0.1

Roast2D derive macros
Documentation 
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use proc_macro::TokenStream;
use quote::quote;
use syn::{parse_macro_input, DeriveInput};

#[proc_macro_derive(Component)]
pub fn derive_component(input: TokenStream) -> TokenStream {
    let DeriveInput { ident, .. } = parse_macro_input!(input as DeriveInput);
    quote! {
        impl ::roast2d::ecs::component::Component for #ident {
            fn as_any(&self) -> &dyn std::any::Any {
                self
            }

            fn as_any_mut(&mut self) -> &mut dyn std::any::Any {
                self
            }

            fn into_any(self: Box<Self>) -> Box<dyn std::any::Any> {
                self
            }
        }
    }
    .into()
}

#[proc_macro_derive(Resource)]
pub fn derive_resource(input: TokenStream) -> TokenStream {
    let DeriveInput { ident, .. } = parse_macro_input!(input as DeriveInput);
    quote! {
        impl ::roast2d::ecs::resource::Resource for #ident {
            fn as_any(&self) -> &dyn std::any::Any {
                self
            }

            fn as_any_mut(&mut self) -> &mut dyn std::any::Any {
                self
            }

            fn into_any(self: Box<Self>) -> Box<dyn std::any::Any> {
                self
            }
        }
    }
    .into()
}