Sha256: 62742eac7797b0aea267d1455304abf5f8bc73479bae1911e83b1b5e2f4b03ca
Contents?: true
Size: 901 Bytes
Versions: 48
Compression:
Stored size: 901 Bytes
Contents
module Bmg
class Summarizer
#
# String concatenation summarizer.
#
# Example:
#
# # direct ruby usage
# Bmg::Summarizer.concat(:qty).summarize(...)
#
class Concat < Summarizer
# Sets default options.
def default_options
{:before => "", :after => "", :between => ""}
end
# Returns least value (defaults to "")
def least()
""
end
# Concatenates current memo with val.to_s
def _happens(memo, val)
memo << options[:between].to_s unless memo.empty?
memo << val.to_s
end
# Finalizes computation
def finalize(memo)
options[:before].to_s + memo + options[:after].to_s
end
end # class Concat
# Factors a concatenation summarizer
def self.concat(*args, &bl)
Concat.new(*args, &bl)
end
end # class Summarizer
end # module Bmg
Version data entries
48 entries across 48 versions & 1 rubygems