split-optional 1.0.0

# split-optional

It split from a source `str` to `Option<&'a str>` per an element.

## Usage | Example

- See also: [examples/a.rs](examples/a.rs)
  - `cargo run --examples a`

```rust
fn main()
{
 const SOME_INPUT: &str = "aaa,bbb,ccc";

 // (Some("aaa"), Some("bbb,ccc"))
 let result = split_optional::split2(SOME_INPUT, ",");
 println!("{result:?}");

 // (Some("aaa"), Some("bbb"), Some("ccc"))
 let result = split_optional::split3(SOME_INPUT, ",");
 println!("{result:?}");

 // (Some("aaa"), Some("bbb"), Some("ccc"), None)
 let result = split_optional::split4(SOME_INPUT, ",");
 println!("{result:?}");

 // (Some("aaa"), Some("bbb"), Some("ccc"), None, None)
 let result = split_optional::split5(SOME_INPUT, ",");
 println!("{result:?}");
}
```

## License

- [MIT](LICENSE.md)

## Author

- [Usagi Ito @ USAGI.NETWORK](https://usagi.network/)