polished-css-macros 0.1.0

Procedural macros which support the development of a library crate `polished-css`.
Documentation 
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use proc_macro2::TokenStream;
use quote::quote;
use syn::DeriveInput;

use crate::derive::get_tuple_struct_field_type;

pub fn impl_deref(ast: &DeriveInput) -> TokenStream {
    let struct_ident = &ast.ident;
    let generics = &ast.generics;
    let (impl_generics, type_generics, where_clause) = generics.split_for_impl();
    let single_tuple_type = get_tuple_struct_field_type(ast);

    quote! {
        impl #impl_generics std::ops::Deref for #struct_ident #type_generics #where_clause {
            type Target = #single_tuple_type;

            fn deref(&self) -> &Self::Target {
                &self.0
            }
        }
    }
}