module Kind::Enum
Constants
- METHODS
Public Instance Methods
values(input)
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# File lib/kind/enum.rb, line 13 def values(input) enum_module = ::Module.new enum_items = case input when ::Hash then create_from_hash(input) when ::Array then create_from_array(input) else raise ArgumentError, 'use an array or hash to define a Kind::Enum' end enum_items.each { |item| enum_module.const_set(item.name, item) } enum_map = enum_items.each_with_object({}) do |item, memo| memo[item.to_s] = item memo[item.value] = item memo[item.to_sym] = item end enum_module.const_set(:ENUM__MAP, enum_map) enum_module.const_set(:ENUM__HASH, enum_items.map(&:to_ary).to_h.freeze) enum_module.const_set(:ENUM__KEYS, ::Set.new(enum_items.map(&:key)).freeze) enum_module.const_set(:ENUM__VALS, ::Set.new(enum_items.map(&:value)).freeze) enum_module.const_set(:ENUM__REFS, ::Set.new(enum_map.keys)) enum_module.const_set(:ENUM__ITEMS, enum_items.freeze) enum_module.send(:private_constant, :ENUM__MAP, :ENUM__HASH, :ENUM__KEYS, :ENUM__VALS, :ENUM__REFS, :ENUM__ITEMS) enum_module.module_eval(METHODS) enum_module.extend(enum_module) enum_module end
Private Instance Methods
build_item(key, value)
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# File lib/kind/enum.rb, line 57 def build_item(key, value) return Item.new(key, value) if key.respond_to?(:to_sym) raise ArgumentError, 'use a string or symbol to define a Kind::Enum item' end
create_from_array(input)
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# File lib/kind/enum.rb, line 53 def create_from_array(input) input.map.with_index { |key, index| build_item(key, index) } end
create_from_hash(input)
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# File lib/kind/enum.rb, line 49 def create_from_hash(input) input.map { |key, value| build_item(key, value) } end