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Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/issue_2356.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/issue_2356.rs b/src/tools/clippy/tests/ui/issue_2356.rs new file mode 100644 index 000000000..b000234ea --- /dev/null +++ b/src/tools/clippy/tests/ui/issue_2356.rs @@ -0,0 +1,26 @@ +// run-rustfix +#![deny(clippy::while_let_on_iterator)] +#![allow(unused_mut)] + +use std::iter::Iterator; + +struct Foo; + +impl Foo { + fn foo1<I: Iterator<Item = usize>>(mut it: I) { + while let Some(_) = it.next() { + println!("{:?}", it.size_hint()); + } + } + + fn foo2<I: Iterator<Item = usize>>(mut it: I) { + while let Some(e) = it.next() { + println!("{:?}", e); + } + } +} + +fn main() { + Foo::foo1(vec![].into_iter()); + Foo::foo2(vec![].into_iter()); +} |