tests/target/expr.rs

   1 // Test expressions
   2
   3 fn foo() -> bool {
   4     let boxed: Box<i32> = box 5;
   5     let referenced = &5;
   6
   7     let very_long_variable_name = (a + first + simple + test);
   8     let very_long_variable_name = (a + first + simple + test + AAAAAAAAAAAAA +
   9                                    BBBBBBBBBBBBBBBBB + b + c);
  10
  11     let is_internalxxxx = self.codemap.span_to_filename(s) ==
  12                           self.codemap.span_to_filename(m.inner);
  13
  14     let some_val = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa * bbbb /
  15                    (bbbbbb - function_call(x, *very_long_pointer, y)) + 1000;
  16
  17     some_ridiculously_loooooooooooooooooooooong_function(10000 * 30000000000 +
  18                                                          40000 / 1002200000000 -
  19                                                          50000 * sqrt(-1),
  20                                                          trivial_value);
  21     (((((((((aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +
  22              a +
  23              aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +
  24              aaaaa)))))))));
  25
  26     {
  27         for _ in 0..10 {}
  28     }
  29
  30     {
  31         {
  32             {
  33                 {}
  34             }
  35         }
  36     }
  37
  38     if 1 + 2 > 0 {
  39         let result = 5;
  40         result
  41     } else {
  42         4
  43     };
  44
  45     if let Some(x) = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa {
  46         // Nothing
  47     }
  48
  49     if let Some(x) = (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +
  50                       aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}
  51
  52     if let (some_very_large,
  53             tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple) = 1 + 2 + 3 {
  54     }
  55
  56     if let (some_very_large,
  57             tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple) = 1111 +
  58                                                                                          2222 {}
  59
  60     if let (some_very_large, tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple) =
  61            1 + 2 + 3 {
  62     }
  63
  64     if cond() {
  65         something();
  66     } else if different_cond() {
  67         something_else();
  68     } else {
  69         // Check subformatting
  70         aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +
  71         aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  72     }
  73 }
  74
  75 fn bar() {
  76     let range = (111111111 + 333333333333333333 + 1111 + 400000000000000000)..(2222 +
  77                                                                                2333333333333333);
  78
  79     let another_range = 5..some_func(a, b /* comment */);
  80
  81     for _ in 1.. {
  82         call_forever();
  83     }
  84
  85     syntactically_correct(loop {
  86             sup('?');
  87         },
  88                           if cond {
  89             0
  90         } else {
  91             1
  92         });
  93
  94     let third = ..10;
  95     let infi_range = ..;
  96     let foo = 1..;
  97     let bar = 5;
  98     let nonsense = (10..0)..(0..10);
  99
 100     let x = (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa && aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,
 101              a);
 102 }
 103
 104 fn baz() {
 105     unsafe /* {}{}{}{{{{}} */ {
 106         let foo = 1u32;
 107     }
 108
 109     unsafe /* very looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong
 110             * comment */ {
 111     }
 112
 113     unsafe /* So this is a very long comment.
 114             * Multi-line, too.
 115             * Will it still format correctly? */ {
 116     }
 117
 118     unsafe {
 119         // Regular unsafe block
 120     }
 121 }
 122
 123 // Test some empty blocks.
 124 fn qux() {
 125     {}
 126     // FIXME this one could be done better.
 127     { /* a block with a comment */
 128     }
 129     {
 130
 131     }
 132     {
 133         // A block with a comment.
 134     }
 135 }