How to elegantly rename all keys in a hash in Ruby? [duplicate]

How to elegantly rename all keys in a hash in Ruby? [duplicate]

ruby hash key

ruby

Group hashes by keys and sum the values

ruby hash key enumerable

ruby

Converting nested hash keys from CamelCase to snake_case in Ruby

ruby hash key camelcasing hash-of-hashes

ruby

Why does double splat only work with symbol keys?

ruby hash key symbols

ruby

How do I create a hash in Ruby that compares strings, ignoring case?

ruby hash key

ruby