diff options
Diffstat (limited to 'tests/ui/pattern/patkind-litrange-no-expr.rs')
-rw-r--r-- | tests/ui/pattern/patkind-litrange-no-expr.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/pattern/patkind-litrange-no-expr.rs b/tests/ui/pattern/patkind-litrange-no-expr.rs new file mode 100644 index 000000000..7ef541cb5 --- /dev/null +++ b/tests/ui/pattern/patkind-litrange-no-expr.rs @@ -0,0 +1,24 @@ +macro_rules! enum_number { + ($name:ident { $($variant:ident = $value:expr, )* }) => { + enum $name { + $($variant = $value,)* + } + + fn foo(value: i32) -> Option<$name> { + match value { + $( $value => Some($name::$variant), )* // PatKind::Lit + $( $value ..= 42 => Some($name::$variant), )* // PatKind::Range + _ => None + } + } + } +} + +enum_number!(Change { + Pos = 1, + Neg = -1, + Arith = 1 + 1, //~ ERROR arbitrary expressions aren't allowed in patterns + //~| ERROR arbitrary expressions aren't allowed in patterns +}); + +fn main() {} |