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Contents
module Bmg
class Summarizer
#
# A summarizer that collects multiple summarization as a wrapped
# tuple.
#
# Example:
#
# # direct ruby usage
# Bmg::Summarizer.multiple(x: ..., y: ...).summarize(...)
#
class Multiple < Summarizer
def initialize(defs)
@summarization = Summarizer.summarization(defs)
end
# Returns [] as least value.
def least()
@summarization.each_pair.each_with_object({}){|(k,v),memo|
memo[k] = v.least
}
end
# Adds val to the memo array
def happens(memo, val)
@summarization.each_pair.each_with_object({}){|(k,v),memo2|
memo2[k] = v.happens(memo[k], val)
}
end
def finalize(memo)
@summarization.each_pair.each_with_object({}){|(k,v),memo2|
memo2[k] = v.finalize(memo[k])
}
end
end # class Multiple
# Factors a distinct summarizer
def self.multiple(defs)
Multiple.new(defs)
end
end # class Summarizer
end # module Bmg
Version data entries
31 entries across 31 versions & 1 rubygems