25 lines
466 B
Rust
25 lines
466 B
Rust
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#![deny(while_let_on_iterator)]
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use std::iter::Iterator;
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struct Foo;
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impl Foo {
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fn foo1<I: Iterator<Item = usize>>(mut it: I) {
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while let Some(_) = it.next() {
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println!("{:?}", it.size_hint());
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}
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}
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fn foo2<I: Iterator<Item = usize>>(mut it: I) {
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while let Some(e) = it.next() {
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println!("{:?}", e);
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}
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}
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}
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fn main() {
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Foo::foo1(vec![].into_iter());
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Foo::foo2(vec![].into_iter());
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}
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