fn get_index_type(
clean_type: &Type,
generics: Vec<RenderType>,
rgen: &mut FxIndexMap<SimplifiedParam, (isize, Vec<RenderType>)>,
) -> RenderType
fn get_index_type(
clean_type: &Type,
generics: Vec<RenderType>,
rgen: &mut FxIndexMap<SimplifiedParam, (isize, Vec<RenderType>)>,
) -> RenderType