1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// aux-build:structs.rs
extern crate structs;
use structs::{NormalStruct, UnitStruct, TupleStruct, FunctionalRecord};
fn main() {
let fr = FunctionalRecord {
//~^ ERROR cannot create non-exhaustive struct
first_field: 1920,
second_field: 1080,
..FunctionalRecord::default()
};
let ns = NormalStruct { first_field: 640, second_field: 480 };
//~^ ERROR cannot create non-exhaustive struct
let NormalStruct { first_field, second_field } = ns;
//~^ ERROR `..` required with struct marked as non-exhaustive
let ts = TupleStruct(640, 480);
//~^ ERROR cannot initialize a tuple struct which contains private fields [E0423]
let ts_explicit = structs::TupleStruct(640, 480);
//~^ ERROR tuple struct constructor `TupleStruct` is private [E0603]
let TupleStruct { 0: first_field, 1: second_field } = ts;
//~^ ERROR `..` required with struct marked as non-exhaustive
let us = UnitStruct;
//~^ ERROR expected value, found struct `UnitStruct` [E0423]
let us_explicit = structs::UnitStruct;
//~^ ERROR unit struct `UnitStruct` is private [E0603]
let UnitStruct { } = us;
//~^ ERROR `..` required with struct marked as non-exhaustive
}
// Everything below this is expected to compile successfully.
// We only test matching here as we cannot create non-exhaustive
// structs from another crate. ie. they'll never pass in run-pass tests.
fn match_structs(ns: NormalStruct, ts: TupleStruct, us: UnitStruct) {
let NormalStruct { first_field, second_field, .. } = ns;
let TupleStruct { 0: first, 1: second, .. } = ts;
let UnitStruct { .. } = us;
}
|
