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Diffstat (limited to 'tests/ui/macros/macro-pat-follow.rs')
-rw-r--r-- | tests/ui/macros/macro-pat-follow.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/macros/macro-pat-follow.rs b/tests/ui/macros/macro-pat-follow.rs new file mode 100644 index 000000000..8e02789fd --- /dev/null +++ b/tests/ui/macros/macro-pat-follow.rs @@ -0,0 +1,21 @@ +// run-pass +macro_rules! pat_in { + ($p:pat in $e:expr) => {{ + let mut iter = $e.into_iter(); + while let $p = iter.next() {} + }}; +} + +macro_rules! pat_if { + ($p:pat if $e:expr) => {{ + match Some(1u8) { + $p if $e => {} + _ => {} + } + }}; +} + +fn main() { + pat_in!(Some(_) in 0..10); + pat_if!(Some(x) if x > 0); +} |