Class: Module

Inherits:
Object
  • Object
show all
Defined in:
lib/fp_rb.rb,
lib/fn_reader.rb

Instance Method Summary collapse

Instance Method Details

#fn_reader(*syms) ⇒ Object

Stripped down version of ActiveSupport’s mattr_reader (don’t want Rails dependencies)



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# File 'lib/fp_rb.rb', line 5

def fn_reader(*syms)
  syms.each do |sym|
    raise StandardError.new("invalid attribute name: #{sym}") unless (sym =~ /\A[_A-Za-z]\w*\z/)
    class_eval("      @@\#{sym} = nil unless defined? @@\#{sym}\n      def self.\#{sym}\n        @@\#{sym}\n      end\n    EOS\n\n    class_eval(<<-EOS, __FILE__, __LINE__ + 1)\n        def \#{sym}\n          @@\#{sym}\n        end\n      EOS\n  end\nend\n", __FILE__, __LINE__ + 1)