symbol / string invariance (for hashes)
hash["key"] should return "value"
hash[:key] should return "value"
Updated by Hanmac (Hans Mackowiak) about 6 years ago
Duplicate of Feature #7797 "Hash should be renamed to StrictHash and a new Hash should be created to behave like AS HashWithIndifferentAccess"
Feature #7792 "Make symbols and strings the same thing"
you RailsGuys need to understand that there are both String and Symbol and both does have pro and con facts
(always turning sym <-> str is not a good idea)