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diff --git a/bzipper_macros/src/lib.rs b/bzipper_macros/src/lib.rs
new file mode 100644
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+++ b/bzipper_macros/src/lib.rs
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+// Copyright 2024 Gabriel Bjørnager Jensen.
+//
+// This file is part of bzipper.
+//
+// bzipper is free software: you can redistribute
+// it and/or modify it under the terms of the GNU
+// Lesser General Public License as published by
+// the Free Software Foundation, either version 3
+// of the License, or (at your option) any later
+// version.
+//
+// bzipper is distributed in the hope that it will
+// be useful, but WITHOUT ANY WARRANTY; without
+// even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Less-
+// er General Public License along with bzipper. If
+// not, see <https://www.gnu.org/licenses/>.
+
+#![doc(html_logo_url = "https://gitlab.com/bjoernager/bzipper/-/raw/master/doc-icon.svg?ref_type=heads")]
+
+//! Binary (de)serialisation.
+//!
+//! This crate implements macros for the [`bzipper`](https://crates.io/crates/bzipper/) crate.
+
+use proc_macro::TokenStream;
+use quote::quote;
+use syn::{Data, DeriveInput, parse_macro_input};
+
+macro_rules! use_mod {
+ ($vis:vis $name:ident) => {
+ mod $name;
+ $vis use $name::*;
+ };
+}
+pub(in crate) use use_mod;
+
+use_mod!(closure);
+use_mod!(discriminant);
+use_mod!(generic_name);
+
+mod impls;
+
+#[proc_macro_derive(Deserialise)]
+pub fn derive_deserialise(input: TokenStream) -> TokenStream {
+ let input = parse_macro_input!(input as DeriveInput);
+
+ let impl_body = match input.data {
+ Data::Enum( ref data) => impls::deserialise_enum( data),
+ Data::Struct(ref data) => impls::deserialise_struct(data),
+
+ Data::Union(..) => panic!("unions cannot derive `Deserialise`"),
+ };
+
+ let type_name = &input.ident;
+
+ let generic_params = &input.generics.params;
+ let generic_where = &input.generics.where_clause;
+
+ let generic_names = GenericName::extract_from(&input.generics);
+
+ let output = quote! {
+ impl<#generic_params> ::bzipper::Deserialise for #type_name<#generic_names>
+ #generic_where {
+ #impl_body
+ }
+ };
+
+ output.into()
+}
+
+#[proc_macro_derive(Serialise)]
+pub fn derive_serialise(input: TokenStream) -> TokenStream {
+ let input = parse_macro_input!(input as DeriveInput);
+
+ let impl_body = match input.data {
+ Data::Enum( ref data) => impls::serialise_enum( data),
+ Data::Struct(ref data) => impls::serialise_struct(data),
+
+ Data::Union(..) => panic!("unions cannot derive `Serialise`"),
+ };
+
+ let type_name = &input.ident;
+
+ let generic_params = &input.generics.params;
+ let generic_where = &input.generics.where_clause;
+
+ let generic_names = GenericName::extract_from(&input.generics);
+
+ let output = quote! {
+ impl<#generic_params> ::bzipper::Serialise for #type_name<#generic_names>
+ #generic_where {
+ #impl_body
+ }
+ };
+
+ //if let Data::Enum(..) = input.data { panic!("{output}") };
+
+ output.into()
+}