diff options
Diffstat (limited to 'src/test/rustdoc/const-generics/const-generics-docs.rs')
-rw-r--r-- | src/test/rustdoc/const-generics/const-generics-docs.rs | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/test/rustdoc/const-generics/const-generics-docs.rs b/src/test/rustdoc/const-generics/const-generics-docs.rs new file mode 100644 index 000000000..352a8e646 --- /dev/null +++ b/src/test/rustdoc/const-generics/const-generics-docs.rs @@ -0,0 +1,128 @@ +// edition:2018 +// aux-build: extern_crate.rs +#![crate_name = "foo"] + +extern crate extern_crate; +// @has foo/fn.extern_fn.html '//pre[@class="rust fn"]' \ +// 'pub fn extern_fn<const N: usize>() -> impl Iterator<Item = [u8; N]>' +pub use extern_crate::extern_fn; +// @has foo/struct.ExternTy.html '//pre[@class="rust struct"]' \ +// 'pub struct ExternTy<const N: usize> {' +pub use extern_crate::ExternTy; +// @has foo/type.TyAlias.html '//pre[@class="rust typedef"]' \ +// 'type TyAlias<const N: usize> = ExternTy<N>;' +pub use extern_crate::TyAlias; +// @has foo/trait.WTrait.html '//pre[@class="rust trait"]' \ +// 'pub trait WTrait<const N: usize, const M: usize>' +// @has - '//*[@class="rust trait"]' 'fn hey<const P: usize>() -> usize' +pub use extern_crate::WTrait; + +// @has foo/trait.Trait.html '//pre[@class="rust trait"]' \ +// 'pub trait Trait<const N: usize>' +// @has - '//*[@id="impl-Trait%3C1%3E-for-u8"]//h3[@class="code-header in-band"]' 'impl Trait<1> for u8' +// @has - '//*[@id="impl-Trait%3C2%3E-for-u8"]//h3[@class="code-header in-band"]' 'impl Trait<2> for u8' +// @has - '//*[@id="impl-Trait%3C{1%20+%202}%3E-for-u8"]//h3[@class="code-header in-band"]' 'impl Trait<{1 + 2}> for u8' +// @has - '//*[@id="impl-Trait%3CN%3E-for-%5Bu8%3B%20N%5D"]//h3[@class="code-header in-band"]' \ +// 'impl<const N: usize> Trait<N> for [u8; N]' +pub trait Trait<const N: usize> {} +impl Trait<1> for u8 {} +impl Trait<2> for u8 {} +impl Trait<{1 + 2}> for u8 {} +impl<const N: usize> Trait<N> for [u8; N] {} + +// @has foo/struct.Foo.html '//pre[@class="rust struct"]' \ +// 'pub struct Foo<const N: usize> where u8: Trait<N>' +pub struct Foo<const N: usize> where u8: Trait<N>; +// @has foo/struct.Bar.html '//pre[@class="rust struct"]' 'pub struct Bar<T, const N: usize>(_)' +pub struct Bar<T, const N: usize>([T; N]); + +// @has foo/struct.Foo.html '//*[@id="impl-Foo%3CM%3E"]/h3[@class="code-header in-band"]' 'impl<const M: usize> Foo<M> where u8: Trait<M>' +impl<const M: usize> Foo<M> where u8: Trait<M> { + // @has - '//*[@id="associatedconstant.FOO_ASSOC"]' 'pub const FOO_ASSOC: usize' + pub const FOO_ASSOC: usize = M + 13; + + // @has - '//*[@id="method.hey"]' 'pub fn hey<const N: usize>(&self) -> Bar<u8, N>' + pub fn hey<const N: usize>(&self) -> Bar<u8, N> { + Bar([0; N]) + } +} + +// @has foo/struct.Bar.html '//*[@id="impl-Bar%3Cu8%2C%20M%3E"]/h3[@class="code-header in-band"]' 'impl<const M: usize> Bar<u8, M>' +impl<const M: usize> Bar<u8, M> { + // @has - '//*[@id="method.hey"]' \ + // 'pub fn hey<const N: usize>(&self) -> Foo<N> where u8: Trait<N>' + pub fn hey<const N: usize>(&self) -> Foo<N> where u8: Trait<N> { + Foo + } +} + +// @has foo/fn.test.html '//pre[@class="rust fn"]' \ +// 'pub fn test<const N: usize>() -> impl Trait<N> where u8: Trait<N>' +pub fn test<const N: usize>() -> impl Trait<N> where u8: Trait<N> { + 2u8 +} + +// @has foo/fn.a_sink.html '//pre[@class="rust fn"]' \ +// 'pub async fn a_sink<const N: usize>(v: [u8; N]) -> impl Trait<N>' +pub async fn a_sink<const N: usize>(v: [u8; N]) -> impl Trait<N> { + v +} + +// @has foo/fn.b_sink.html '//pre[@class="rust fn"]' \ +// 'pub async fn b_sink<const N: usize>(_: impl Trait<N>)' +pub async fn b_sink<const N: usize>(_: impl Trait<N>) {} + +// @has foo/fn.concrete.html '//pre[@class="rust fn"]' \ +// 'pub fn concrete() -> [u8; 22]' +pub fn concrete() -> [u8; 3 + std::mem::size_of::<u64>() << 1] { + Default::default() +} + +// @has foo/type.Faz.html '//pre[@class="rust typedef"]' \ +// 'type Faz<const N: usize> = [u8; N];' +pub type Faz<const N: usize> = [u8; N]; +// @has foo/type.Fiz.html '//pre[@class="rust typedef"]' \ +// 'type Fiz<const N: usize> = [[u8; N]; 48];' +pub type Fiz<const N: usize> = [[u8; N]; 3 << 4]; + +macro_rules! define_me { + ($t:tt<$q:tt>) => { + pub struct $t<const $q: usize>([u8; $q]); + } +} + +// @has foo/struct.Foz.html '//pre[@class="rust struct"]' \ +// 'pub struct Foz<const N: usize>(_);' +define_me!(Foz<N>); + +trait Q { + const ASSOC: usize; +} + +impl<const N: usize> Q for [u8; N] { + const ASSOC: usize = N; +} + +// @has foo/fn.q_user.html '//pre[@class="rust fn"]' \ +// 'pub fn q_user() -> [u8; 13]' +pub fn q_user() -> [u8; <[u8; 13] as Q>::ASSOC] { + [0; <[u8; 13] as Q>::ASSOC] +} + +// @has foo/union.Union.html '//pre[@class="rust union"]' \ +// 'pub union Union<const N: usize>' +pub union Union<const N: usize> { + // @has - //pre "pub arr: [u8; N]" + pub arr: [u8; N], + // @has - //pre "pub another_arr: [(); N]" + pub another_arr: [(); N], +} + +// @has foo/enum.Enum.html '//pre[@class="rust enum"]' \ +// 'pub enum Enum<const N: usize>' +pub enum Enum<const N: usize> { + // @has - //pre "Variant([u8; N])" + Variant([u8; N]), + // @has - //pre "EmptyVariant" + EmptyVariant, +} |