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feat(simple_hash): rewrite exercise completely 

improve the way students are introduced to hash maps
This commit is contained in:
Michele Sessa 2022-10-12 11:25:06 +01:00 committed by Michele
parent 6e969f8b3f
commit 9425070b2e
1 changed files with 2 additions and 2 deletions
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4
subjects/simple_hash/README.md
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@ -6,14 +6,14 @@ Create a **function** named `word_frequency_counter` which will receive a vector
Also create a function named `nb_distinct_words` which will take a reference to the `HashMap` and return the number of distinct words present in it.
> all the words tested will be lowercase
### Expected functions
```rust
pub fn word_frequency_counter(words: Vec<&str>) -> HashMap<&str, usize> {}
pub fn nb_distinct_words(frequency_count: &HashMap<&str, usize>) -> usize {
}
pub fn nb_distinct_words(frequency_count: &HashMap<&str, usize>) -> usize {}
```
### Usage