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-rw-r--r--compiler/rustc_codegen_cranelift/example/dst-field-align.rs41
1 files changed, 20 insertions, 21 deletions
diff --git a/compiler/rustc_codegen_cranelift/example/dst-field-align.rs b/compiler/rustc_codegen_cranelift/example/dst-field-align.rs
index 6c338e999..22fc6ff33 100644
--- a/compiler/rustc_codegen_cranelift/example/dst-field-align.rs
+++ b/compiler/rustc_codegen_cranelift/example/dst-field-align.rs
@@ -2,7 +2,7 @@
#![allow(dead_code)]
struct Foo<T: ?Sized> {
a: u16,
- b: T
+ b: T,
}
trait Bar {
@@ -10,58 +10,57 @@ trait Bar {
}
impl Bar for usize {
- fn get(&self) -> usize { *self }
+ fn get(&self) -> usize {
+ *self
+ }
}
struct Baz<T: ?Sized> {
- a: T
+ a: T,
}
struct HasDrop<T: ?Sized> {
ptr: Box<usize>,
- data: T
+ data: T,
}
fn main() {
// Test that zero-offset works properly
- let b : Baz<usize> = Baz { a: 7 };
+ let b: Baz<usize> = Baz { a: 7 };
assert_eq!(b.a.get(), 7);
- let b : &Baz<dyn Bar> = &b;
+ let b: &Baz<dyn Bar> = &b;
assert_eq!(b.a.get(), 7);
// Test that the field is aligned properly
- let f : Foo<usize> = Foo { a: 0, b: 11 };
+ let f: Foo<usize> = Foo { a: 0, b: 11 };
assert_eq!(f.b.get(), 11);
- let ptr1 : *const u8 = &f.b as *const _ as *const u8;
+ let ptr1: *const u8 = &f.b as *const _ as *const u8;
- let f : &Foo<dyn Bar> = &f;
- let ptr2 : *const u8 = &f.b as *const _ as *const u8;
+ let f: &Foo<dyn Bar> = &f;
+ let ptr2: *const u8 = &f.b as *const _ as *const u8;
assert_eq!(f.b.get(), 11);
// The pointers should be the same
assert_eq!(ptr1, ptr2);
// Test that nested DSTs work properly
- let f : Foo<Foo<usize>> = Foo { a: 0, b: Foo { a: 1, b: 17 }};
+ let f: Foo<Foo<usize>> = Foo { a: 0, b: Foo { a: 1, b: 17 } };
assert_eq!(f.b.b.get(), 17);
- let f : &Foo<Foo<dyn Bar>> = &f;
+ let f: &Foo<Foo<dyn Bar>> = &f;
assert_eq!(f.b.b.get(), 17);
// Test that get the pointer via destructuring works
- let f : Foo<usize> = Foo { a: 0, b: 11 };
- let f : &Foo<dyn Bar> = &f;
+ let f: Foo<usize> = Foo { a: 0, b: 11 };
+ let f: &Foo<dyn Bar> = &f;
let &Foo { a: _, b: ref bar } = f;
assert_eq!(bar.get(), 11);
// Make sure that drop flags don't screw things up
- let d : HasDrop<Baz<[i32; 4]>> = HasDrop {
- ptr: Box::new(0),
- data: Baz { a: [1,2,3,4] }
- };
- assert_eq!([1,2,3,4], d.data.a);
+ let d: HasDrop<Baz<[i32; 4]>> = HasDrop { ptr: Box::new(0), data: Baz { a: [1, 2, 3, 4] } };
+ assert_eq!([1, 2, 3, 4], d.data.a);
- let d : &HasDrop<Baz<[i32]>> = &d;
- assert_eq!(&[1,2,3,4], &d.data.a);
+ let d: &HasDrop<Baz<[i32]>> = &d;
+ assert_eq!(&[1, 2, 3, 4], &d.data.a);
}