Sha256: 9b5d7b067d819e6bd05cca90f01ecef8e57c128f3f4e737519862e4a8aca9c10
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Versions: 31
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Contents
module JsDuck
# A class that does nothing.
# Responds to all methods by returning self, unless a hash passed to
# constructor.
# See: http://en.wikipedia.org/wiki/Null_Object_pattern
class NullObject
# Optionally takes a hash of method_name => return_value pairs,
# making it return those values for those methods, sort of like
# OpenStruct, but for all other methods self is still returned and
# any number of arguments is accepted.
def initialize(methods={})
@methods = methods
end
def method_missing(meth, *args, &block)
@methods.has_key?(meth) ? @methods[meth] : self
end
end
end
Version data entries
31 entries across 31 versions & 1 rubygems