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18 lines
297 B
18 lines
297 B
3 years ago
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enum Option<T> {
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Some(T),
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None,
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}
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use crate::Option::*;
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// ANCHOR: here
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impl<T> Option<T> {
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pub fn unwrap(self) -> T {
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match self {
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Some(val) => val,
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None => panic!("called `Option::unwrap()` on a `None` value"),
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}
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}
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}
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// ANCHOR_END: here
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