method

safe_constantize

v6.1.3.1 - Show latest stable - 1 note - Class: String

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What's this?

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.

'Module'.safe_constantize  # => Module
'Class'.safe_constantize   # => Class
'blargle'.safe_constantize # => nil

See ActiveSupport::Inflector.safe_constantize.

Show source

# File activesupport/lib/active_support/core_ext/string/inflections.rb, line 86
  def safe_constantize
    ActiveSupport::Inflector.safe_constantize(self)
  end

January 2, 2015

0 thanks

How safe is this?

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

safe_constantize

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