kmx.io/prism.js/tests/languages/rust/macro_example.test

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• Hash : 194c5429
  Author :
  Date : 2020-05-11T14:49:10
  

  Rust: Improvements (#2332) This makes several improvements to Rust. This includes support for multiline strings, better closures, attributes, macros, and comments, an update for the keyword list, and more.

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• tests/languages/rust/macro_example.test

• macro_rules! write_html {
  	($w:expr, ) => (());
  
  	($w:expr, $e:tt) => (write!($w, "{}", $e));
  
  	($w:expr, $tag:ident [ $($inner:tt)* ] $($rest:tt)*) => {{
  		write!($w, "<{}>", stringify!($tag));
  		write_html!($w, $($inner)*);
  		write!($w, "</{}>", stringify!($tag));
  		write_html!($w, $($rest)*);
  	}};
  }
  
  ----------------------------------------------------
  
  [
  	["macro", "macro_rules!"],
  	" write_html ",
  	["punctuation", "{"],
  
  	["punctuation", "("],
  	["variable", "$w"],
  	["punctuation", ":"],
  	["fragment-specifier", "expr"],
  	["punctuation", ","],
  	["punctuation", ")"],
  	["operator", "=>"],
  	["punctuation", "("],
  	["punctuation", "("],
  	["punctuation", ")"],
  	["punctuation", ")"],
  	["punctuation", ";"],
  
  	["punctuation", "("],
  	["variable", "$w"],
  	["punctuation", ":"],
  	["fragment-specifier", "expr"],
  	["punctuation", ","],
  	["variable", "$e"],
  	["punctuation", ":"],
  	["fragment-specifier", "tt"],
  	["punctuation", ")"],
  	["operator", "=>"],
  	["punctuation", "("],
  	["macro", "write!"],
  	["punctuation", "("],
  	["variable", "$w"],
  	["punctuation", ","],
  	["string", "\"{}\""],
  	["punctuation", ","],
  	["variable", "$e"],
  	["punctuation", ")"],
  	["punctuation", ")"],
  	["punctuation", ";"],
  
  	["punctuation", "("],
  	["variable", "$w"],
  	["punctuation", ":"],
  	["fragment-specifier", "expr"],
  	["punctuation", ","],
  	["variable", "$tag"],
  	["punctuation", ":"],
  	["fragment-specifier", "ident"],
  	["punctuation", "["],
  	" $",
  	["punctuation", "("],
  	["variable", "$inner"],
  	["punctuation", ":"],
  	["fragment-specifier", "tt"],
  	["punctuation", ")"],
  	["operator", "*"],
  	["punctuation", "]"],
  	" $",
  	["punctuation", "("],
  	["variable", "$rest"],
  	["punctuation", ":"],
  	["fragment-specifier", "tt"],
  	["punctuation", ")"],
  	["operator", "*"],
  	["punctuation", ")"],
  	["operator", "=>"],
  	["punctuation", "{"],
  	["punctuation", "{"],
  
  	["macro", "write!"],
  	["punctuation", "("],
  	["variable", "$w"],
  	["punctuation", ","],
  	["string", "\"<{}>\""],
  	["punctuation", ","],
  	["macro", "stringify!"],
  	["punctuation", "("],
  	["variable", "$tag"],
  	["punctuation", ")"],
  	["punctuation", ")"],
  	["punctuation", ";"],
  
  	["macro", "write_html!"],
  	["punctuation", "("],
  	["variable", "$w"],
  	["punctuation", ","],
  	" $",
  	["punctuation", "("],
  	["variable", "$inner"],
  	["punctuation", ")"],
  	["operator", "*"],
  	["punctuation", ")"],
  	["punctuation", ";"],
  
  	["macro", "write!"],
  	["punctuation", "("],
  	["variable", "$w"],
  	["punctuation", ","],
  	["string", "\"</{}>\""],
  	["punctuation", ","],
  	["macro", "stringify!"],
  	["punctuation", "("],
  	["variable", "$tag"],
  	["punctuation", ")"],
  	["punctuation", ")"],
  	["punctuation", ";"],
  
  	["macro", "write_html!"],
  	["punctuation", "("],
  	["variable", "$w"],
  	["punctuation", ","],
  	" $",
  	["punctuation", "("],
  	["variable", "$rest"],
  	["punctuation", ")"],
  	["operator", "*"],
  	["punctuation", ")"],
  	["punctuation", ";"],
  
  	["punctuation", "}"],
  	["punctuation", "}"],
  	["punctuation", ";"],
  
  	["punctuation", "}"]
  ]
  
  ----------------------------------------------------
  
  Checks this macro example.
  

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