Ruby 3.1: Hash

背景
投稿者投稿者hana-daいいね0お気に入り登録
プレイ回数73難易度(1.5) 30秒 英字
Hash.instance_methods
RUBY_VERSION # => "3.1.3"
(Hash.instance_methods - Object.instance_methods).shuffle[0,100]

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(merge!) merge! ([]) [] (compare_by_identity?) compare_by_identity? (default_proc=) default_proc= (reduce) reduce (entries) entries (update) update (to_proc) to_proc (except) except (chain) chain
(transform_values!) transform_values! (keys) keys (take_while) take_while (length) length (all?) all? (filter!) filter! (delete) delete (zip) zip (transform_values) transform_values (rehash) rehash
など
(each) each (each_with_object) each_with_object (include?) include? (reverse_each) reverse_each ([]=) []= (has_key?) has_key? (<) < (partition) partition (compact) compact (to_hash) to_hash (inject) inject (key) key (shift) shift (values_at) values_at (has_value?) has_value? (collect) collect (lazy) lazy (fetch) fetch (cycle) cycle (keep_if) keep_if (assoc) assoc (flat_map) flat_map (uniq) uniq (grep) grep (reject) reject (chunk) chunk (deconstruct_keys) deconstruct_keys (drop) drop (sum) sum (each_pair) each_pair (invert) invert (sort_by) sort_by (sort) sort (minmax_by) minmax_by (take) take (filter) filter (to_h) to_h (filter_map) filter_map (member?) member? (collect_concat) collect_concat (to_a) to_a (find_all) find_all (each_with_index) each_with_index (find) find (one?) one? (each_slice) each_slice (size) size (fetch_values) fetch_values (each_key) each_key (values) values (slice_before) slice_before (each_cons) each_cons (key?) key? (rassoc) rassoc (min_by) min_by (minmax) minmax (default_proc) default_proc (each_entry) each_entry (compact!) compact! (max_by) max_by (>) > (find_index) find_index (slice_after) slice_after (none?) none? (compare_by_identity) compare_by_identity (slice) slice (delete_if) delete_if (first) first (slice_when) slice_when (max) max (group_by) group_by (default=) default= (flatten) flatten (select!) select! (merge) merge (select) select (detect) detect (any?) any? (map) map (count) count
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