Sha256: 34d8408075ca1c8fd8be28cd10afd8488350e5fc8b6f165bdc70b2862957008a
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Size: 1 KB
Versions: 12
Compression:
Stored size: 1 KB
Contents
module Net # :nodoc:
module DNS
module HashKeys # :nodoc:
# Returns an hash with all the
# keys turned into downcase
#
# hsh = {"Test" => 1, "FooBar" => 2}
# hsh.downcase_keys!
# #=> {"test"=>1,"foobar"=>2}
#
def downcase_keys!
hsh = Hash.new
self.each do |key,val|
hsh[key.downcase] = val
end
self.replace(hsh)
end
end
module HashOperators # :nodoc:
# Performs a sort of group difference
# operation on hashes or arrays
#
# a = {:a=>1,:b=>2,:c=>3}
# b = {:a=>1,:b=>2}
# c = [:a,:c]
# a-b #=> {:c=>3}
# a-c #=> {:b=>2}
#
def -(other)
case other
when Hash
delete_if { |k,v| other.has_key?(k) }
when Array
delete_if { |k,v| other.include?(k) }
end
end
end
end
end
class Hash # :nodoc:
include Net::DNS::HashKeys
include Net::DNS::HashOperators
end
Version data entries
12 entries across 12 versions & 2 rubygems