diff options
Diffstat (limited to 'src/test/ui/iterators/issue-58952-filter-type-length.rs')
-rw-r--r-- | src/test/ui/iterators/issue-58952-filter-type-length.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/test/ui/iterators/issue-58952-filter-type-length.rs b/src/test/ui/iterators/issue-58952-filter-type-length.rs new file mode 100644 index 000000000..ffbe89a14 --- /dev/null +++ b/src/test/ui/iterators/issue-58952-filter-type-length.rs @@ -0,0 +1,32 @@ +// run-pass +//! This snippet causes the type length to blowup exponentially, +//! so check that we don't accidentially exceed the type length limit. +// FIXME: Once the size of iterator adaptors is further reduced, +// increase the complexity of this test. +use std::collections::VecDeque; + +fn main() { + let c = 2; + let bv = vec![2]; + let b = bv + .iter() + .filter(|a| **a == c); + + let _a = vec![1, 2, 3] + .into_iter() + .filter(|a| b.clone().any(|b| *b == *a)) + .filter(|a| b.clone().any(|b| *b == *a)) + .filter(|a| b.clone().any(|b| *b == *a)) + .filter(|a| b.clone().any(|b| *b == *a)) + .filter(|a| b.clone().any(|b| *b == *a)) + .filter(|a| b.clone().any(|b| *b == *a)) + .filter(|a| b.clone().any(|b| *b == *a)) + .filter(|a| b.clone().any(|b| *b == *a)) + .filter(|a| b.clone().any(|b| *b == *a)) + .filter(|a| b.clone().any(|b| *b == *a)) + .filter(|a| b.clone().any(|b| *b == *a)) + .filter(|a| b.clone().any(|b| *b == *a)) + .filter(|a| b.clone().any(|b| *b == *a)) + .filter(|a| b.clone().any(|b| *b == *a)) + .collect::<VecDeque<_>>(); +} |