tests/target/chains.rs

   1 // rustfmt-normalize_comments: true
   2 // rustfmt-single_line_if_else_max_width: 0
   3 // rustfmt-chain_one_line_max: 100
   4 // Test chain formatting.
   5
   6 fn main() {
   7     let a = b.c.d.1.foo(|x| x + 1);
   8
   9     bbbbbbbbbbbbbbbbbbb.ccccccccccccccccccccccccccccccccccccc.ddddddddddddddddddddddddddd();
  10
  11     bbbbbbbbbbbbbbbbbbb
  12         .ccccccccccccccccccccccccccccccccccccc
  13         .ddddddddddddddddddddddddddd
  14         .eeeeeeee();
  15
  16     let f = fooooooooooooooooooooooooooooooooooooooooooooooooooo
  17         .baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaar;
  18
  19     // Test case where first chain element isn't a path, but is shorter than
  20     // the size of a tab.
  21     x().y(|| match cond() {
  22         true => (),
  23         false => (),
  24     });
  25
  26     loong_func().quux(move || if true {
  27         1
  28     } else {
  29         2
  30     });
  31
  32     some_fuuuuuuuuunction().method_call_a(aaaaa, bbbbb, |c| {
  33         let x = c;
  34         x
  35     });
  36
  37     some_fuuuuuuuuunction()
  38         .method_call_a(aaaaa, bbbbb, |c| {
  39             let x = c;
  40             x
  41         })
  42         .method_call_b(aaaaa, bbbbb, |c| {
  43             let x = c;
  44             x
  45         });
  46
  47     fffffffffffffffffffffffffffffffffff(a, {
  48         SCRIPT_TASK_ROOT.with(|root| { *root.borrow_mut() = Some(&script_task); });
  49     });
  50
  51     let suuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuum =
  52         xxxxxxx.map(|x| x + 5).map(|x| x / 2).fold(0, |acc, x| acc + x);
  53
  54     aaaaaaaaaaaaaaaa
  55         .map(|x| {
  56             x += 1;
  57             x
  58         })
  59         .filter(some_mod::some_filter)
  60 }
  61
  62 fn floaters() {
  63     let z = Foo {
  64         field1: val1,
  65         field2: val2,
  66     };
  67
  68     let x = Foo {
  69         field1: val1,
  70         field2: val2,
  71     }.method_call()
  72         .method_call();
  73
  74     let y = if cond {
  75         val1
  76     } else {
  77         val2
  78     }.method_call();
  79
  80     {
  81         match x {
  82             PushParam => {
  83                 // params are 1-indexed
  84                 stack.push(
  85                     mparams[match cur.to_digit(10) {
  86                                 Some(d) => d as usize - 1,
  87                                 None => return Err("bad param number".to_owned()),
  88                             }].clone(),
  89                 );
  90             }
  91         }
  92     }
  93
  94     if cond {
  95         some();
  96     } else {
  97         none();
  98     }.bar()
  99         .baz();
 100
 101     Foo { x: val }
 102         .baz(|| {
 103             force();
 104             multiline();
 105         })
 106         .quux();
 107
 108     Foo {
 109         y: i_am_multi_line,
 110         z: ok,
 111     }.baz(|| {
 112         force();
 113         multiline();
 114     })
 115         .quux();
 116
 117     a +
 118         match x {
 119             true => "yay!",
 120             false => "boo!",
 121         }.bar()
 122 }
 123
 124 fn is_replaced_content() -> bool {
 125     constellat.send(ConstellationMsg::ViewportConstrained(self.id, constraints)).unwrap();
 126 }
 127
 128 fn issue587() {
 129     a.b::<()>(c);
 130
 131     std::mem::transmute(dl.symbol::<()>("init").unwrap())
 132 }
 133
 134 fn try_shorthand() {
 135     let x = expr?;
 136     let y = expr.kaas()?.test();
 137     let loooooooooooooooooooooooooooooooooooooooooong =
 138         does_this?.look?.good?.should_we_break?.after_the_first_question_mark?;
 139     let yyyy = expr?.another?.another?.another?.another?.another?.another?.another?.another?.test();
 140     let zzzz = expr?.another?.another?.another?.another?;
 141     let aaa = x??????????????????????????????????????????????????????????????????????????;
 142
 143     let y = a.very
 144         .loooooooooooooooooooooooooooooooooooooong()
 145         .chain()
 146         .inside()
 147         .weeeeeeeeeeeeeee()?
 148         .test()
 149         .0
 150         .x;
 151
 152     parameterized(f, substs, def_id, Ns::Value, &[], |tcx| {
 153         tcx.lookup_item_type(def_id).generics
 154     })?;
 155     fooooooooooooooooooooooooooo()?
 156         .bar()?
 157         .baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaz()?;
 158 }
 159
 160 fn issue_1004() {
 161     match *self {
 162         ty::ImplOrTraitItem::MethodTraitItem(ref i) => write!(f, "{:?}", i),
 163         ty::ImplOrTraitItem::ConstTraitItem(ref i) => write!(f, "{:?}", i),
 164         ty::ImplOrTraitItem::TypeTraitItem(ref i) => write!(f, "{:?}", i),
 165     }?;
 166
 167     ty::tls::with(|tcx| {
 168         let tap = ty::Binder(TraitAndProjections(principal, projections));
 169         in_binder(f, tcx, &ty::Binder(""), Some(tap))
 170     })?;
 171 }