Sha256: 38e88bfa6e2e8df24fc7244b5e94cffa278cec7b4f340a2711b14105af86ceb4
Contents?: true
Size: 774 Bytes
Versions: 9
Compression:
Stored size: 774 Bytes
Contents
class NestedConfig
# Evaluates a config value once replacing the original value
# if the value responds to method +call+.
#
# == Example
#
# class MyConfig < NestedConfig
# include NestedConfig::EvaluateOnce
# end
#
# config = MyConfig.new
# config.startup_time = proc { Time.now }
# config.env = proc { |env| env.to_s.upcase }
#
# config.startup_time # => 2012-06-05 15:57:36 +0200
# config.startup_time # => 2012-06-05 15:57:36 +0200
#
# config.env(:development) # => DEVELOPMENT
# config.env # => DEVELOPMENT
module EvaluateOnce
def [](key, *args)
value = super
if value.respond_to?(:call)
self[key] = value.call(*args)
else
value
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems