--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Rebuilds the hash based on the current hash values for each key. If values of key objects have changed since they were inserted, this method will reindex hsh. If Hash#rehash is called while an iterator is traversing the hash, an IndexError will be raised in the iterator. - !ruby/struct:SM::Flow::VERB body: " a = [ "a", "b" ]\n c = [ "c", "d" ]\n h = { a => 100, c => 300 }\n h[a] #=> 100\n a[0] = "z"\n h[a] #=> nil\n h.rehash #=> {["z", "b"]=>100, ["c", "d"]=>300}\n h[a] #=> 100\n" full_name: Hash#rehash is_singleton: false name: rehash params: | hsh.rehash -> hsh visibility: public