src/test/rustdoc/normalize-assoc-item.rs

   1 // ignore-tidy-linelength
   2 // aux-build:normalize-assoc-item.rs
   3 // build-aux-docs
   4 // compile-flags:-Znormalize-docs
   5
   6 pub trait Trait {
   7     type X;
   8 }
   9
  10 impl Trait for usize {
  11     type X = isize;
  12 }
  13
  14 // @has 'normalize_assoc_item/fn.f.html' '//pre[@class="rust fn"]' 'pub fn f() -> isize'
  15 pub fn f() -> <usize as Trait>::X {
  16     0
  17 }
  18
  19 pub struct S {
  20     // @has 'normalize_assoc_item/struct.S.html' '//span[@id="structfield.box_me_up"]' 'box_me_up: Box<S, Global>'
  21     pub box_me_up: <S as Trait>::X,
  22     // @has 'normalize_assoc_item/struct.S.html' '//span[@id="structfield.generic"]' 'generic: (usize, isize)'
  23     pub generic: <Generic<usize> as Trait>::X,
  24 }
  25
  26 impl Trait for S {
  27     type X = Box<S>;
  28 }
  29
  30 pub struct Generic<Inner>(Inner);
  31
  32 impl<Inner: Trait> Trait for Generic<Inner> {
  33     type X = (Inner, Inner::X);
  34 }
  35
  36 // These can't be normalized because they depend on a generic parameter.
  37 // However the user can choose whether the text should be displayed as `Inner::X` or `<Inner as Trait>::X`.
  38
  39 // @has 'normalize_assoc_item/struct.Unknown.html' '//pre[@class="rust struct"]' 'pub struct Unknown<Inner: Trait>(pub <Inner as Trait>::X);'
  40 pub struct Unknown<Inner: Trait>(pub <Inner as Trait>::X);
  41
  42 // @has 'normalize_assoc_item/struct.Unknown2.html' '//pre[@class="rust struct"]' 'pub struct Unknown2<Inner: Trait>(pub Inner::X);'
  43 pub struct Unknown2<Inner: Trait>(pub Inner::X);
  44
  45 trait Lifetimes<'a> {
  46     type Y;
  47 }
  48
  49 impl<'a> Lifetimes<'a> for usize {
  50     type Y = &'a isize;
  51 }
  52
  53 // @has 'normalize_assoc_item/fn.g.html' '//pre[@class="rust fn"]' "pub fn g() -> &isize"
  54 pub fn g() -> <usize as Lifetimes<'static>>::Y {
  55     &0
  56 }
  57
  58 // @has 'normalize_assoc_item/constant.A.html' '//pre[@class="rust const"]' "pub const A: &isize"
  59 pub const A: <usize as Lifetimes<'static>>::Y = &0;
  60
  61 // test cross-crate re-exports
  62 extern crate inner;
  63 // @has 'normalize_assoc_item/fn.foo.html' '//pre[@class="rust fn"]' "pub fn foo() -> i32"
  64 pub use inner::foo;
  65
  66 // @has 'normalize_assoc_item/fn.h.html' '//pre[@class="rust fn"]' "pub fn h<T>() -> IntoIter<T, Global>"
  67 pub fn h<T>() -> <Vec<T> as IntoIterator>::IntoIter {
  68     vec![].into_iter()
  69 }