Class: Radar::Support::Hash

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

Overview

Hash support methods:

  • #deep_merge and #deep_merge! - Does what it says: deep merges a hash with another hash. Taken from ActiveSupport in Rails 3.

Class Method Summary collapse

Class Method Details

.deep_merge(source, other) ⇒ Object

Returns a new hash with +self+ and +other_hash+ merged recursively.



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# File 'lib/radar/support.rb', line 10

def self.deep_merge(source, other)
  deep_merge!(source.dup, other)
end

.deep_merge!(source, other) ⇒ Object

Returns a new hash with +self+ and +other_hash+ merged recursively. Modifies the receiver in place.



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# File 'lib/radar/support.rb', line 16

def self.deep_merge!(source, other)
  other.each_pair do |k,v|
    tv = source[k]
    source[k] = tv.is_a?(::Hash) && v.is_a?(::Hash) ? deep_merge(tv, v) : v
  end

  source
end