Macro keyword 

macro_rules! keyword {
    ($(
    $(#[$meta:meta])*
    (
      $name:ident, $syntax_tree_display: literal, $kw:literal
    )
  ),+$(,)?) => { ... };
}

Defines a keyword.

Examples

use tokit::keyword;

keyword! {
  (MyKeyword, "MY_KEYWORD", "my_keyword"),
  (AnotherKeyword, "ANOTHER_KEYWORD", "another_keyword"),
}