src/test/run-make/coverage/simple_match.rs

   1 #![allow(unused_assignments, unused_variables)]
   2
   3 fn main() {
   4     // Initialize test constants in a way that cannot be determined at compile time, to ensure
   5     // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
   6     // dependent conditions.
   7     let is_true = std::env::args().len() == 1;
   8
   9     let mut countdown = 1;
  10     if is_true {
  11         countdown = 0;
  12     }
  13
  14     for
  15         _
  16     in
  17         0..2
  18     {
  19         let z
  20         ;
  21         match
  22             countdown
  23         {
  24             x
  25             if
  26                 x
  27                     <
  28                 1
  29             =>
  30             {
  31                 z = countdown
  32                 ;
  33                 let y = countdown
  34                 ;
  35                 countdown = 10
  36                 ;
  37             }
  38             _
  39             =>
  40             {}
  41         }
  42     }
  43 }