vendor/macro-utils/README.md

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   2
   3 # macro-utils
   4
   5 Some macros to help writing better code or just having fun.
   6
   7 ## Usage
   8
   9 To use it in your project, just add the following lines:
  10
  11 ```rust,ignore
  12 #[macro_use]
  13 extern crate macro_utils;
  14 ```
  15
  16 ### Examples
  17
  18 ```rust
  19 #[macro_use]
  20 extern crate macro_utils;
  21
  22 fn main() {
  23     let s = "bateau";
  24
  25     if_match! {
  26         s == "voiture" => println!("It rolls!"),
  27         s == "avion"   => println!("It flies!"),
  28         s == "pieds"   => println!("It walks!"),
  29         s == "fusée"   => println!("It goes through space!"),
  30         s == "bateau"  => println!("It moves on water!"),
  31         else           => println!("I dont't know how it moves...")
  32     }
  33
  34     let y = 4;
  35     let x = tern_c! { (y & 1 == 0) ? { "even" } : { "odd" } };
  36     let x = tern_python! { { "it's even" } if (y & 1 == 0) else { "it's odd" } };
  37     let x = tern_haskell! { if (y & 1 == 0) then { "it's even" } else { "it's odd" } };
  38 }
  39 ```