docs

README.md

@@ -0,0 +1,19 @@
+A simple attribute that makes all fields public on a struct.
+
+Usage:
+```rust
+#[pub_fields]
+pub struct MyStruct {
+    a: usize,
+    b: usize,
+    c: usize,
+}
+```
+=>
+```rust
+pub struct MyStruct {
+    pub a: usize,
+    pub b: usize,
+    pub c: usize,
+}
+```

src/lib.rs

@@ -2,6 +2,25 @@ use proc_macro::TokenStream;
 use quote::ToTokens;
 use syn::{parse::Nothing, parse_macro_input, parse_quote, ItemStruct};
 
+/// A simple attribute that makes all fields public on a struct.
+///
+/// Usage:
+/// ```rust
+/// #[pub_fields]
+/// pub struct MyStruct {
+///     a: usize,
+///     b: usize,
+///     c: usize,
+/// }
+/// ```
+/// =>
+/// ```rust
+/// pub struct MyStruct {
+///     pub a: usize,
+///     pub b: usize,
+///     pub c: usize,
+/// }
+/// ```
 #[proc_macro_attribute]
 pub fn pub_fields(attr: TokenStream, tokens: TokenStream) -> TokenStream {
     parse_macro_input!(attr as Nothing);