Module: HashAttrs

Defined in:
lib/hash_attrs.rb

Overview

A module which adds some generators for hash based accessors.

Instance Method Summary collapse

Instance Method Details

#hash_accessor(hash, *syms) ⇒ Object 



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# File 'lib/hash_attrs.rb', line 29

def hash_accessor(hash, *syms)
  hash_reader(hash, syms)
  hash_writer(hash, syms)
end

#hash_reader(hash_sym, syms) ⇒ Object 



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# File 'lib/hash_attrs.rb', line 4

def hash_reader(hash_sym, syms)
  syms.each do |id|
    id = id.to_s.downcase
    func = Proc.new do
      hash = instance_variable_get(hash_sym)
      hash[id.to_sym] 
    end

    self.send(:define_method, id, func)
  end
end

#hash_writer(hash_sym, syms) ⇒ Object 



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# File 'lib/hash_attrs.rb', line 16

def hash_writer(hash_sym, syms)
  syms.each do |id|
    id = id.to_s.downcase

    func = Proc.new do |val| 
      hash = instance_variable_get(hash_sym)
      hash[id.to_sym] = val 
    end

    self.send(:define_method, id+'=', func)
  end
end