Class: Hash

Inherits:

Object

• Object
• Hash

Defined in:

lib/ctioga2/utils.rb

Overview

Here, we define an additional function in the Hash class: without

Instance Method Summary

• #rename_key(old, new) ⇒ Object

  Renames the given key.

• #without(*args) ⇒ Object

  Returns a copy of the hash without the given keys.

Instance Method Details

#rename_key(old, new) ⇒ Object

Renames the given key

# File 'lib/ctioga2/utils.rb', line 537

def rename_key(old, new)
  self[new] = self[old]
  self.delete(old)
end

#without(*args) ⇒ Object

Returns a copy of the hash without the given keys

# File 'lib/ctioga2/utils.rb', line 528

def without(*args)
  ret = self.dup
  for a in args.flatten
    ret.delete(a)
  end
  return ret
end