https://ruby-doc.org/core-2.6.5/Hash.html#method-i-reject-21 references Hash#delete but has no link to its section. "Equivalent to Hash#delete_if, but returns nil if no changes were made."
https://ruby-doc.org/core-2.6.5/Hash.html#method-i-reject-21 references Hash#delete but has no link to its section.
"Equivalent to Hash#delete_if, but returns nil if no changes were made."