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Use "key" instead of "value" in HashMap exercise #2763

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Use "key" instead of "value" in HashMap exercise #2763

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16 changes: 8 additions & 8 deletions src/std-types/exercise.md
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Original file line number Diff line number Diff line change
Expand Up @@ -35,18 +35,18 @@ impl Counter {
}
}

/// Count an occurrence of the given value.
fn count(&mut self, value: u32) {
if self.values.contains_key(&value) {
*self.values.get_mut(&value).unwrap() += 1;
/// Count an occurrence of the given key.
fn count(&mut self, key: u32) {
if self.values.contains_key(&key) {
*self.values.get_mut(&key).unwrap() += 1;
} else {
self.values.insert(value, 1);
self.values.insert(key, 1);
}
}

/// Return the number of times the given value has been seen.
fn times_seen(&self, value: u32) -> u64 {
self.values.get(&value).copied().unwrap_or_default()
/// Return the number of times the given key has been seen.
fn times_seen(&self, key: u32) -> u64 {
self.values.get(&key).copied().unwrap_or_default()
}
}

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