Class: OrderedHash

Inherits:

Hash

• Object
• Hash
• OrderedHash

Includes:

StandardHashMethodsInRuby

Defined in:

lib/hash_magic.rb

Instance Method Summary

• #[]=(key, value) ⇒ Object
• #initialize(*args) ⇒ OrderedHash constructor

  A new instance of OrderedHash.

• #inspect ⇒ Object
• #keys ⇒ Object
• #ordered ⇒ Object

  :nodoc:.

• #slashed ⇒ Object

Constructor Details

#initialize(*args) ⇒ OrderedHash

Returns a new instance of OrderedHash.

# File 'lib/hash_magic.rb', line 337

def initialize(*args)
  @keys_in_order = args.flatten
end

Instance Method Details

#[]=(key, value) ⇒ Object

# File 'lib/hash_magic.rb', line 342

def []=(key,value)
  @keys_in_order << key
  super
end

#inspect ⇒ Object

# File 'lib/hash_magic.rb', line 346

def inspect
  super.insert(1,'ordered: ')
end

#keys ⇒ Object

# File 'lib/hash_magic.rb', line 349

def keys
  super.sort {|a,b| (@keys_in_order.index(a) || -1) <=> (@keys_in_order.index(b) || -1)}
end

#ordered ⇒ Object

:nodoc:

# File 'lib/hash_magic.rb', line 353

def ordered # :nodoc:
  self
end

#slashed ⇒ Object

# File 'lib/hash_magic.rb', line 356

def slashed
  SlashedHash.new(self).ordered!(@keys_in_order)
end