mirror of
https://github.com/KaiserY/trpl-zh-cn
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17 lines
374 B
Rust
17 lines
374 B
Rust
#[cfg(test)]
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mod tests {
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// ANCHOR: here
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#[test]
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fn iterator_demonstration() {
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let v1 = vec![1, 2, 3];
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let mut v1_iter = v1.iter();
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assert_eq!(v1_iter.next(), Some(&1));
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assert_eq!(v1_iter.next(), Some(&2));
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assert_eq!(v1_iter.next(), Some(&3));
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assert_eq!(v1_iter.next(), None);
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}
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// ANCHOR_END: here
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}
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