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3157f602
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1// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
2// file at the top-level directory of this distribution and at
3// http://rust-lang.org/COPYRIGHT.
4//
5// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8// option. This file may not be copied, modified, or distributed
9// except according to those terms.
10
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11fn tuple() {
12 let x = (1, 2, 3);
13 match x {
14 (a, b, ..) => {
15 assert_eq!(a, 1);
16 assert_eq!(b, 2);
17 }
18 }
19 match x {
20 (.., b, c) => {
21 assert_eq!(b, 2);
22 assert_eq!(c, 3);
23 }
24 }
25 match x {
26 (a, .., c) => {
27 assert_eq!(a, 1);
28 assert_eq!(c, 3);
29 }
30 }
31 match x {
32 (a, b, c) => {
33 assert_eq!(a, 1);
34 assert_eq!(b, 2);
35 assert_eq!(c, 3);
36 }
37 }
38 match x {
39 (a, b, c, ..) => {
40 assert_eq!(a, 1);
41 assert_eq!(b, 2);
42 assert_eq!(c, 3);
43 }
44 }
45 match x {
46 (.., a, b, c) => {
47 assert_eq!(a, 1);
48 assert_eq!(b, 2);
49 assert_eq!(c, 3);
50 }
51 }
52}
53
54fn tuple_struct() {
55 struct S(u8, u8, u8);
56
57 let x = S(1, 2, 3);
58 match x {
59 S(a, b, ..) => {
60 assert_eq!(a, 1);
61 assert_eq!(b, 2);
62 }
63 }
64 match x {
65 S(.., b, c) => {
66 assert_eq!(b, 2);
67 assert_eq!(c, 3);
68 }
69 }
70 match x {
71 S(a, .., c) => {
72 assert_eq!(a, 1);
73 assert_eq!(c, 3);
74 }
75 }
76 match x {
77 S(a, b, c) => {
78 assert_eq!(a, 1);
79 assert_eq!(b, 2);
80 assert_eq!(c, 3);
81 }
82 }
83 match x {
84 S(a, b, c, ..) => {
85 assert_eq!(a, 1);
86 assert_eq!(b, 2);
87 assert_eq!(c, 3);
88 }
89 }
90 match x {
91 S(.., a, b, c) => {
92 assert_eq!(a, 1);
93 assert_eq!(b, 2);
94 assert_eq!(c, 3);
95 }
96 }
97}
98
99fn main() {
100 tuple();
101 tuple_struct();
102}