Crate casey

Macros

• lower
  Expands idents in the input stream as lowercase
• pascal
  Expands idents in the input stream as PascalCase e.g. helloWorld -> HelloWorld
• shouty
  Expands idents in the input stream as SHOUTY_CASE e.g. HelloWorld -> HELLO_WORLD
• snake
  Expands idents in the input stream as snake_case e.g. HelloWorld -> hello_world
• upper
  Expands idents in the input stream as UPPERCASE