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Ejercicios 75/94

This commit is contained in:
perro tuerto 2023-03-03 10:01:50 -08:00
parent ce466b57cf
commit 73831a1436
1 changed files with 2 additions and 4 deletions
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6
exercises/iterators/iterators5.rs
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@ -10,8 +10,6 @@
// //
// Make the code compile and the tests pass. // Make the code compile and the tests pass.
// I AM NOT DONE
use std::collections::HashMap; use std::collections::HashMap;
#[derive(Clone, Copy, PartialEq, Eq)] #[derive(Clone, Copy, PartialEq, Eq)]
@ -34,7 +32,7 @@ fn count_for(map: &HashMap<String, Progress>, value: Progress) -> usize {
fn count_iterator(map: &HashMap<String, Progress>, value: Progress) -> usize { fn count_iterator(map: &HashMap<String, Progress>, value: Progress) -> usize {
// map is a hashmap with String keys and Progress values. // map is a hashmap with String keys and Progress values.
// map = { "variables1": Complete, "from_str": None, ... } // map = { "variables1": Complete, "from_str": None, ... }
todo!(); map.values().filter(|v| v == &&value).count()
} }
fn count_collection_for(collection: &[HashMap<String, Progress>], value: Progress) -> usize { fn count_collection_for(collection: &[HashMap<String, Progress>], value: Progress) -> usize {
@ -53,7 +51,7 @@ fn count_collection_iterator(collection: &[HashMap<String, Progress>], value: Pr
// collection is a slice of hashmaps. // collection is a slice of hashmaps.
// collection = [{ "variables1": Complete, "from_str": None, ... }, // collection = [{ "variables1": Complete, "from_str": None, ... },
// { "variables2": Complete, ... }, ... ] // { "variables2": Complete, ... }, ... ]
todo!(); collection.iter().map(|hm| count_iterator(&hm, value)).fold(0, |a, b| a + b)
} }
#[cfg(test)] #[cfg(test)]