Answers for "armanriazi•rust•collection•hashmap•avoid_of_duplicate"

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armanriazi•rust•collection•hashmap•avoid_of_duplicate

Default setting which is using insert you will have any duplicated key or val. 
 map.insert(key, "some value".into());
 but when we use entry(word).or_insert(0) that will make avoid duplicated k/v.
 let mut map = HashMap::<CompoundKey, String>::new();
 let tmp = map.entry(word).or_insert(0);

Posted by: Guest on April-30-2022

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