rust/src/test/ui/issues/issue-19244.rs
2019-07-27 18:56:16 +03:00

35 lines
1019 B
Rust

// run-pass
struct MyStruct { field: usize }
struct Nested { nested: MyStruct }
struct Mix2 { nested: ((usize,),) }
const STRUCT: MyStruct = MyStruct { field: 42 };
const TUP: (usize,) = (43,);
const NESTED_S: Nested = Nested { nested: MyStruct { field: 5 } };
const NESTED_T: ((usize,),) = ((4,),);
const MIX_1: ((Nested,),) = ((Nested { nested: MyStruct { field: 3 } },),);
const MIX_2: Mix2 = Mix2 { nested: ((2,),) };
const INSTANT_1: usize = (MyStruct { field: 1 }).field;
const INSTANT_2: usize = (0,).0;
fn main() {
let a = [0; STRUCT.field];
let b = [0; TUP.0];
let c = [0; NESTED_S.nested.field];
let d = [0; (NESTED_T.0).0];
let e = [0; (MIX_1.0).0.nested.field];
let f = [0; (MIX_2.nested.0).0];
let g = [0; INSTANT_1];
let h = [0; INSTANT_2];
assert_eq!(a.len(), 42);
assert_eq!(b.len(), 43);
assert_eq!(c.len(), 5);
assert_eq!(d.len(), 4);
assert_eq!(e.len(), 3);
assert_eq!(f.len(), 2);
assert_eq!(g.len(), 1);
assert_eq!(h.len(), 0);
}