New upstream version 1.52.1+dfsg1

[rustc.git] / src / tools / rustfmt / tests / source / type.rs

diff --git a/src/tools/rustfmt/tests/source/type.rs b/src/tools/rustfmt/tests/source/type.rs
new file mode 100644 (file)
index 0000000..57f31dc
--- /dev/null
+++ b/src/tools/rustfmt/tests/source/type.rs
@@ -0,0 +1,174 @@
+// rustfmt-normalize_comments: true
+fn types() {
+    let x: [ Vec   < _ > ] = [];
+    let y:  * mut [ SomeType ; konst_funk() ] = expr();
+    let z: (/*#digits*/ usize, /*exp*/ i16) = funk();
+    let z: ( usize  /*#digits*/ , i16 /*exp*/ ) = funk();
+}
+
+struct F {
+    f: extern "C" fn(x: u8, ... /* comment */),
+    g: extern "C" fn(x: u8,/* comment */ ...),
+    h: extern "C" fn(x: u8, ... ),
+    i: extern "C" fn(x: u8, /* comment 4*/ y: String, // comment 3
+                     z: Foo, /* comment */ .../* comment 2*/ ),
+}
+
+fn issue_1006(def_id_to_string: for<'a, 'b> unsafe fn(TyCtxt<'b, 'tcx, 'tcx>, DefId) -> String) {}
+
+fn impl_trait_fn_1() -> impl Fn(i32) -> Option<u8> {}
+
+fn impl_trait_fn_2<E>() -> impl Future<Item=&'a i64,Error=E> {}
+
+fn issue_1234() {
+    do_parse!(name: take_while1!(is_token) >> (Header))
+}
+
+// #2510
+impl CombineTypes {
+    pub fn pop_callback(
+        &self,
+        query_id: Uuid,
+    ) -> Option<
+        (
+            ProjectId,
+            Box<FnMut(&ProjectState, serde_json::Value, bool) -> () + Sync + Send>,
+        ),
+    > {
+        self.query_callbacks()(&query_id)
+    }
+}
+
+// #2859
+pub fn do_something<'a, T: Trait1 + Trait2 + 'a>(&fooo: u32) -> impl Future<
+    Item = (
+        impl Future<Item = (
+        ), Error =   SomeError> + 'a,
+        impl Future<Item = (), Error = SomeError> + 'a,
+impl Future<Item = (), Error = SomeError > + 'a,
+    ),
+    Error = SomeError,
+    >
+    +
+    'a {
+}
+
+pub fn do_something<'a, T: Trait1 + Trait2 + 'a>(    &fooo: u32,
+) -> impl Future<
+    Item = (
+impl Future<Item = (), Error = SomeError> + 'a,
+        impl Future<Item = (), Error = SomeError> + 'a,
+        impl Future<Item = (), Error = SomeError> + 'a,
+    ),
+    Error = SomeError,
+    >
+    + Future<
+    Item = (
+        impl Future<Item = (), Error = SomeError> + 'a,
+impl Future<Item = (), Error = SomeError> + 'a,
+        impl Future<Item = (), Error = SomeError> + 'a,
+    ),
+    Error = SomeError,
+        >
+    + Future<
+    Item = (
+        impl Future<Item = (), Error = SomeError> + 'a,
+   impl Future<Item = (), Error = SomeError> + 'a,
+        impl Future<Item = (), Error = SomeError> + 'a,
+    ),
+    Error = SomeError,
+        >
+    +
+    'a + 'b +
+    'c {
+}
+
+// #3051
+token![impl];
+token![ impl ];
+
+// #3060
+macro_rules! foo {
+    ($foo_api: ty) => {
+        type Target = ( $foo_api ) + 'static;
+    }
+}
+
+type Target = ( FooAPI ) + 'static;
+
+// #3137
+fn foo<T>(t: T)
+where
+    T: ( FnOnce() -> () ) + Clone,
+    U: ( FnOnce() -> () ) + 'static,
+{
+}
+
+// #3117
+fn issue3117() {
+    {
+        {
+            {
+                {
+                    {
+                        {
+                            {
+                                {
+                                    let opt: &mut Option<MyLongTypeHere> =
+                                        unsafe { &mut *self.future.get() };
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+// #3139
+fn issue3139() {
+    assert_eq!(
+        to_json_value(&None ::  <i32>).unwrap(),
+        json!(  { "test": None  ::  <i32> }  )
+    );
+}
+
+// #3180
+fn foo(a: SomeLongComplexType, b: SomeOtherLongComplexType) -> Box<Future<Item = AnotherLongType, Error = ALongErrorType>> {
+}
+
+type MyFn = fn(a: SomeLongComplexType, b: SomeOtherLongComplexType,) -> Box<Future<Item = AnotherLongType, Error = ALongErrorType>>;
+
+// Const opt-out
+
+trait T: ?   const  Super {}
+
+const fn maybe_const<S: ?   const    T>() -> i32 { <S as T>::CONST }
+
+struct S<T:?  const   ?  Sized>(std::marker::PhantomData<T>);
+
+impl ?    const T {}
+
+fn trait_object() -> &'static dyn ?  const T { &S }
+
+fn i(_: impl IntoIterator<Item = Box<dyn ?    const    T>>) {}
+
+fn apit(_: impl ?const T) {}
+
+fn rpit() -> impl ?  const T { S }
+
+pub struct Foo<T: Trait>(T);
+impl<T:   ?  const Trait> Foo<T> {
+    fn new(t: T) -> Self {
+        // not calling methods on `t`, so we opt out of requiring
+        // `<T as Trait>` to have const methods via `?const`
+        Self(t)
+    }
+}
+
+// #4357
+type T = typeof(
+1);
+impl T for  .. {
+}
\ No newline at end of file