Case transforming macros
Casey transforms the case of given input idents.
Niche but maybe useful in other macros.
```rust
use casey::{pascal, lower, shouty, snake, upper};
lower!(ABC); // renders: abc
upper!(abc); // ABC
snake!(ABC); // a_b_c
pascal!(abc); // AbC
shouty!(ab_c); // A_B_C
```
Casey macros can operate on TokenStreams e.g.
rust
snake!(
#[derive(PartialEq)]
struct MockStruct {}
impl MockStruct {
fn test() -> bool { true }
}
);
assert!(mock_struct::test());
assert!(mock_struct::test() == mock_struct::test())
All ident tokens in the stream will have the case transformation applied (keywords and attribute macros will be ignored).
Type names, including built-in types are not considered keywords e.g. bool, usize, i32 etc. and will be transformed by casey.
rust
pascal!(let test: bool = true); // renders: `let Test: Bool = true;`