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15 lines
230 B
Rust
15 lines
230 B
Rust
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use std::cell::Cell;
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#[derive(Default)]
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crate struct Counter {
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value: Cell<usize>,
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}
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impl Counter {
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crate fn increment(&self) -> usize {
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let v = self.value.get();
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self.value.set(v + 1);
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v
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}
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}
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