12 lines
356 B
Text
12 lines
356 B
Text
fn main() {
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let mut stack = Vec::new();
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stack.push("Element1");
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stack.push("Element2");
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stack.push("Element3");
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assert_eq!(Some(&"Element3"), stack.last());
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assert_eq!(Some("Element3"), stack.pop());
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assert_eq!(Some("Element2"), stack.pop());
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assert_eq!(Some("Element1"), stack.pop());
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assert_eq!(None, stack.pop());
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}
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