Sha256: 0b16e2ab75e14a18b5be8269e8bf65cf2e20923bbeae39f5ad8f294f4e9380b5
Contents?: true
Size: 650 Bytes
Versions: 26
Compression:
Stored size: 650 Bytes
Contents
class Hash
# Returns true or false whether the hash
# contains the given keys.
#
# h = { :a => 1, :b => 2 }
# h.has_keys?( :a ) #=> true
# h.has_keys?( :c ) #=> false
#
def has_keys?(*check_keys)
unknown_keys = check_keys - self.keys
return unknown_keys.empty?
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCHash < Test::Unit::TestCase
def test_has_keys?
assert( { :a=>1,:b=>2,:c=>3 }.has_keys?(:a,:b) )
assert( ! { :a=>1,:b=>2,:c=>3 }.has_keys?(:a,:b,:d) )
end
end
=end
Version data entries
26 entries across 26 versions & 1 rubygems