Sha256: 8d2c7e26f5fc531ad365837829df74dc568f475bc28ae787e7dd20496628eeee
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Versions: 97
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Contents
# encoding: utf-8
module EvalHelper
# create unless strings, for eval
#
# ==== Examples
#
# unless case
#
# class EvalHelperTest
# include EvalHelper
#
# def hoge(hash)
# msg = hash[:input]
# code = unless_code(hash[:unless_cond], hash[:unless_proc], hash[:else_proc])
# instance_eval code
# end
# end
#
# hash = {
# input: "not_test",
# unless_cond: "msg == 'test'",
# unless_proc: "true",
# else_proc: "false",
# }
# EvalHelperTest.new.hoge(hash) # => return true
#
# else case
#
# class EvalHelperTest
# include EvalHelper
#
# def hoge(hash)
# msg = hash[:input]
# code = unless_code(hash[:unless_cond], hash[:unless_proc], hash[:else_proc])
# instance_eval code
# end
# end
#
# hash = {
# input: "test",
# unless_cond: "msg == 'test'",
# unless_proc: "true",
# else_proc: "false",
# }
# EvalHelperTest.new.hoge(hash) # => return false
#
def unless_code(condition, unless_proc, else_proc)
<<-EOS
unless #{condition}
#{unless_proc}
else
#{else_proc}
end
EOS
end
end
Version data entries
97 entries across 97 versions & 1 rubygems