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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/structs-enums/struct-aliases.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/structs-enums/struct-aliases.rs')
-rw-r--r-- | tests/ui/structs-enums/struct-aliases.rs | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/ui/structs-enums/struct-aliases.rs b/tests/ui/structs-enums/struct-aliases.rs new file mode 100644 index 000000000..b7aeed7bc --- /dev/null +++ b/tests/ui/structs-enums/struct-aliases.rs @@ -0,0 +1,64 @@ +// run-pass +#![allow(non_shorthand_field_patterns)] + +use std::mem; + +struct S { + x: isize, + y: isize, +} + +type S2 = S; + +struct S3<U,V> { + x: U, + y: V +} + +type S4<U> = S3<U, char>; + +fn main() { + let s = S2 { + x: 1, + y: 2, + }; + match s { + S2 { + x: x, + y: y + } => { + assert_eq!(x, 1); + assert_eq!(y, 2); + } + } + // check that generics can be specified from the pattern + let s = S4 { + x: 4, + y: 'a' + }; + match s { + S4::<u8> { + x: x, + y: y + } => { + assert_eq!(x, 4); + assert_eq!(y, 'a'); + assert_eq!(mem::size_of_val(&x), 1); + } + }; + // check that generics can be specified from the constructor + let s = S4::<u16> { + x: 5, + y: 'b' + }; + match s { + S4 { + x: x, + y: y + } => { + assert_eq!(x, 5); + assert_eq!(y, 'b'); + assert_eq!(mem::size_of_val(&x), 2); + } + }; +} |