Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/hash_ext.rb

Instance Method Summary collapse

Instance Method Details

#numeric_values ⇒ Object 



12
13
14
 
# File 'lib/hash_ext.rb', line 12

def numeric_values 
  Hash[self.select { |k,v| v.is_a? Numeric }] 
end

#prefix_keys(prefix) ⇒ Object 



2
3
4
5
6
7
8
9
10
 
# File 'lib/hash_ext.rb', line 2

def prefix_keys ( prefix )
  if block_given?
    Hash[self.map do |k,v| 
      yield(k,v) ?  ["#{prefix}#{k}", v] :  [k,v] 
    end]
  else
    Hash[self.map { |k,v| [ "#{prefix}#{k}", v] }]
  end
end