retrieve 1.0.0

#[{pub_}mod_{pub_}use(a,b,c,...)] => {pub }mod a; {pub }use a::*; and also b,c,...
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# retrieve

`mod x` and `use x::*` pattern syntax sugar of the proc-macro attribute.

- `retrieve::`
  - `mod_use` => `mod x; use x::*;` for a module internal.
  - `pub_mod_use` => `pub mod x; use x::*` for a public nested modules.
  - `mod_pub_use` => `mod x; pub use x::*` for a public flatten modules with separated source writting.
  - `pub_mod_pub_use` => `pub x; pub use x::x` for a public nested modules with flatten alias in the root.

I am tired of writing the "xxx" pattern over and over again for structured beatiful source code!😝 And I like the stylish attribute proc-macro style syntax sugars.💖

## Example: [examples/mod_pub_use/](examples/mod_pub_use/)

- src/
  - main.rs
  - x.rs ; Or it can move to x/mod.rs if you like module-name/mod.rs style.
  - x/
    - a.rs ; `crate::x::a::*`
    - b.rs ; `crate::x::b::*`

1. main.rs:

```rust
use retrieve::*;

#[mod_pub_use(x)] // <-- here!; it's the same as `mod x; pub use x::*;`
fn main()
{
 // `X` from x::X
 let x = X {
  a: 1,
  b: 2
 };

 // And it from '2. x.rs'; `.a()` from the trait of `x::a::A` and `.b()` from the trait of `x::b::B`
 println!("{:?}", x.a() + x.b());
}
```

2. x.rs:

```rust
use retrieve::*;

#[mod_pub_use(a, b)] // <-- here!; it's the same as `mod a; pub use a::*;` and `mod b; pub use b::*;`
pub struct X
{
 pub a: i32,
 pub b: i32
}
```

## LICENSE

- [MIT](LICENSE.md)

## Author

- USAGI.NETWORK / Usagi Ito <https://github.com/usagi/>