doc: mention lumol-org#44 about new feature

Author: CurryPseudo

README.md

@@ -59,17 +59,36 @@ If you want to add attribute to a specific generated struct(such as
 attribute `#[soa_attr(Vec, cfg_attr(test, derive(PartialEq)))]` to the
 struct declaration.
 
+`soa_attr` could also be added to specific generated struct's field.
+
+For example:
+
 ```rust
 #[derive(Debug, PartialEq, StructOfArray)]
 #[soa_attr(Vec, cfg_attr(test, derive(PartialEq)))]
 pub struct Cheese {
+    #[soa_attr(Vec, deprecated)]
     pub smell: f64,
     pub color: (f64, f64, f64),
     pub with_mushrooms: bool,
     pub name: String,
 }
 ```
 
+will generate the struct like:
+
+```rust
+#[cfg_attr(test, derive(PartialEq))]
+pub struct CheeseVec {
+    #[deprecated]
+    pub smell: Vec<f64>,
+    pub color: Vec<(f64, f64, f64)>,
+    pub with_mushrooms: Vec<bool>,
+    pub name: Vec<String>,
+}
+```
+
+
 Mappings for first argument of ``soa_attr`` to the generated struct for ``Cheese``:
 * `Vec` => `CheeseVec`
 * `Slice` => `CheeseSlice`
@@ -79,6 +98,9 @@ Mappings for first argument of ``soa_attr`` to the generated struct for ``Cheese
 * `Ptr` => `CheesePtr`
 * `PtrMut` => `CheesePtrMut`
 
+
+To be mentioned, there is an [issue](https://github.com/lumol-org/soa-derive/issues/44) related to `#[soa_attr(Vec, serde(skip))]` on field.
+
 ## Usage and API
 
 All the generated code have some generated documentation with it, so you

src/lib.rs

@@ -57,12 +57,17 @@
 //! attribute `#[soa_attr(Vec, cfg_attr(test, derive(PartialEq)))]` to the
 //! struct declaration.
 //!
+//! `soa_attr` could also be added to specific generated struct's field.
+//! 
+//! For example:
+//! 
 //! ```
 //! # #[macro_use] extern crate soa_derive;
 //! # fn main() {
 //! #[derive(Debug, PartialEq, StructOfArray)]
 //! #[soa_attr(Vec, cfg_attr(test, derive(PartialEq)))]
 //! pub struct Cheese {
+//!     #[soa_attr(Vec, deprecated)]
 //!     pub smell: f64,
 //!     pub color: (f64, f64, f64),
 //!     pub with_mushrooms: bool,
@@ -71,6 +76,19 @@
 //! # }
 //! ```
 //!
+//! will generate the struct like:
+//! 
+//! ```rust
+//! #[cfg_attr(test, derive(PartialEq))]
+//! pub struct CheeseVec {
+//!     #[deprecated]
+//!     pub smell: Vec<f64>,
+//!     pub color: Vec<(f64, f64, f64)>,
+//!     pub with_mushrooms: Vec<bool>,
+//!     pub name: Vec<String>,
+//! }
+//! ```
+//! 
 //! Mappings for first argument of ``soa_attr`` to the generated struct for ``Cheese``:
 //! * `Vec` => `CheeseVec`
 //! * `Slice` => `CheeseSlice`
@@ -80,6 +98,9 @@
 //! * `Ptr` => `CheesePtr`
 //! * `PtrMut` => `CheesePtrMut`
 //!
+//! 
+//! To be mentioned, there is an [issue](https://github.com/lumol-org/soa-derive/issues/44) related to `#[soa_attr(Vec, serde(skip))]` on field.
+//! 
 //! # Usage and API
 //!
 //! All the generated code have some generated documentation with it, so you