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Contents
module Dry::Initializer
# Module-level DSL
module DSL
# Setting for null (undefined value)
# @return [nil, Dry::Initializer::UNDEFINED]
attr_reader :null
# Returns a version of the module with custom settings
# @option settings [Boolean] :undefined
# If unassigned params and options should be treated different from nil
# @return [Dry::Initializer]
def [](undefined: true, **)
null = (undefined == false) ? nil : UNDEFINED
Module.new.tap do |mod|
mod.extend DSL
mod.include self
mod.send(:instance_variable_set, :@null, null)
end
end
# Returns mixin module to be included to target class by hand
# @return [Module]
# @yield proc defining params and options
def define(procedure = nil, &block)
config = Config.new(null: null)
config.instance_exec(&(procedure || block))
config.mixin.include Mixin::Root
config.mixin
end
private
def extended(klass)
config = Config.new(klass, null: null)
klass.send :instance_variable_set, :@dry_initializer, config
klass.include Mixin::Root
end
def self.extended(mod)
mod.instance_variable_set :@null, UNDEFINED
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems