src/tools/rustfmt/tests/source/chains_with_comment.rs

   1 // Chains with comment.
   2
   3 fn main() {
   4     let x = y // comment
   5         .z;
   6
   7     foo // foo
   8         // comment after parent
   9         .x
  10         .y
  11         // comment 1
  12         .bar() // comment after bar()
  13   // comment 2
  14         .foobar
  15   // comment after
  16         // comment 3
  17         .baz(x, y, z);
  18
  19     self.rev_dep_graph
  20         .iter()
  21        // Remove nodes that are not dirty
  22         .filter(|&(unit, _)| dirties.contains(&unit))
  23      // Retain only dirty dependencies of the ones that are dirty
  24        .map(|(k, deps)| {
  25             (
  26                 k.clone(),
  27                 deps.iter()
  28                 .cloned()
  29                .filter(|d| dirties.contains(&d))
  30               .collect(),
  31             )
  32         });
  33
  34     let y = expr /* comment */.kaas()?
  35 // comment
  36        .test();
  37     let loooooooooooooooooooooooooooooooooooooooooong = does_this?.look?.good?.should_we_break?.after_the_first_question_mark?;
  38     let zzzz = expr?   // comment after parent
  39 // comment 0
  40 .another??? // comment 1
  41 .another????  // comment 2
  42 .another? // comment 3
  43 .another?;
  44
  45     let y = a.very .loooooooooooooooooooooooooooooooooooooong() /* comment */ .chain()
  46         .inside()  /* comment */        .weeeeeeeeeeeeeee()? .test()  .0
  47         .x;
  48
  49     parameterized(f,
  50                   substs,
  51                   def_id,
  52                   Ns::Value,
  53                   &[],
  54                   |tcx| tcx.lookup_item_type(def_id).generics)?;
  55     fooooooooooooooooooooooooooo()?.bar()?.baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaz()?;
  56
  57     // #2559
  58     App::new("cargo-cache")
  59 .version(crate_version!())
  60 .bin_name("cargo")
  61 .about("Manage cargo cache")
  62 .author("matthiaskrgr")
  63 .subcommand(
  64 SubCommand::with_name("cache")
  65 .version(crate_version!())
  66 .bin_name("cargo-cache")
  67 .about("Manage cargo cache")
  68 .author("matthiaskrgr")
  69 .arg(&list_dirs)
  70 .arg(&remove_dir)
  71 .arg(&gc_repos)
  72 .arg(&info)
  73 .arg(&keep_duplicate_crates)    .arg(&dry_run)
  74 .arg(&auto_clean)
  75 .arg(&auto_clean_expensive),
  76         ) // subcommand
  77         .arg(&list_dirs);
  78 }
  79
  80 // #2177
  81 impl Foo {
  82     fn dirty_rev_dep_graph(
  83         &self,
  84         dirties: &HashSet<UnitKey>,
  85     ) -> HashMap<UnitKey, HashSet<UnitKey>> {
  86         let dirties = self.transitive_dirty_units(dirties);
  87         trace!("transitive_dirty_units: {:?}", dirties);
  88
  89         self.rev_dep_graph.iter()
  90         // Remove nodes that are not dirty
  91             .filter(|&(unit, _)| dirties.contains(&unit))
  92         // Retain only dirty dependencies of the ones that are dirty
  93             .map(|(k, deps)| (k.clone(), deps.iter().cloned().filter(|d| dirties.contains(&d)).collect()))
  94     }
  95 }
  96
  97 // #2907
  98 fn foo() {
  99     let x = foo
 100         .bar??  ? // comment
 101         .baz;
 102     let x = foo
 103         .bar?  ??
 104     // comment
 105         .baz;
 106     let x = foo
 107         .bar? ? ? // comment
 108     // comment
 109         .baz;
 110     let x = foo
 111         .bar? ?? // comment
 112     // comment
 113         ? ??
 114     // comment
 115         ?  ??
 116     // comment
 117         ???
 118     // comment
 119         ? ? ?
 120         .baz;
 121 }