Ruby on Rails latest stable (v4.2.7) - 1 note - Class: String
safe_constantize() public

safe_constantize tries to find a declared constant with the name specified in the string. It returns nil when the name is not in CamelCase or is not initialized. See ActiveSupport::Inflector.safe_constantize

'Module'.safe_constantize  # => Module
'Class'.safe_constantize   # => Class
'blargle'.safe_constantize # => nil
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January 2, 2015
0 thanks

How safe is this?

Could this be used against a user supplied fragment like in a url route ?