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Contents
module Dry::Initializer::Plugins
# Builds a block to be evaluated by initializer (__after_initialize__)
# to assign a default value to the argument
class DefaultProc < Base
def call
return unless default
ivar = :"@#{name}"
default_proc = default
proc do
if instance_variable_get(ivar) == Dry::Initializer::UNDEFINED
instance_variable_set ivar, instance_eval(&default_proc)
end
end
end
private
def default
return unless settings.key? :default
@default ||= settings[:default].tap do |value|
fail DefaultValueError.new(name, value) unless Proc === value
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems