Class: Hash

Inherits:

Object

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Overview

Hash extentions

# File 'lib/poolparty/core/hash.rb', line 10

def extract!(&block)
  o = select(&block)
  o.keys.each {|k| self.delete(k) }
  o
end



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# File 'lib/poolparty/core/hash.rb', line 21

def flush_out(prev="", post="")
  map {|k,v| "#{prev}#{k} => #{v.to_option_string}#{post}"}
end

5	# File 'lib/poolparty/core/hash.rb', line 5 alias :old_select :select



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# File 'lib/poolparty/core/hash.rb', line 15

def safe_merge(other_hash)
  merge(other_hash.delete_if {|k,v| has_key?(k) })
end



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# File 'lib/poolparty/core/hash.rb', line 18

def safe_merge!(other_hash)
  merge!(other_hash.delete_if {|k,v| has_key?(k) && !v.nil? })
end



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# File 'lib/poolparty/core/hash.rb', line 7

def select(&block)
  Hash[*self.old_select(&block).inject([]){|res,(k,v)| res << k << v}]    
end

# File 'lib/poolparty/core/hash.rb', line 24

def to_os
  m={}
  each {|k,v| m[k] = v.to_os }
  MyOpenStruct.new(m)
end