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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/empty/empty-struct-tuple-pat.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/test/ui/empty/empty-struct-tuple-pat.rs b/src/test/ui/empty/empty-struct-tuple-pat.rs new file mode 100644 index 000000000..47da8a306 --- /dev/null +++ b/src/test/ui/empty/empty-struct-tuple-pat.rs @@ -0,0 +1,37 @@ +// Can't use unit struct as enum pattern + +// aux-build:empty-struct.rs + +extern crate empty_struct; +use empty_struct::*; + +struct Empty2(); + +enum E { + Empty4() +} + +// remove attribute after warning cycle and promoting warnings to errors +fn main() { + let e2 = Empty2(); + let e4 = E::Empty4(); + let xe6 = XEmpty6(); + let xe5 = XE::XEmpty5(); + + match e2 { + Empty2 => () //~ ERROR match bindings cannot shadow tuple structs + } + match xe6 { + XEmpty6 => () //~ ERROR match bindings cannot shadow tuple structs + } + + match e4 { + E::Empty4 => () + //~^ ERROR expected unit struct, unit variant or constant, found tuple variant `E::Empty4` + } + match xe5 { + XE::XEmpty5 => (), + //~^ ERROR expected unit struct, unit variant or constant, found tuple variant `XE::XEmpty5` + _ => {}, + } +} |