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Contents
require 'concurrent/synchronization/abstract_struct'
require 'concurrent/synchronization'
module Concurrent
# A thread-safe, immutable variation of Ruby's standard `Struct`.
#
# @see http://ruby-doc.org/core-2.2.0/Struct.html Ruby standard library `Struct`
module ImmutableStruct
include Synchronization::AbstractStruct
# @!macro struct_values
def values
ns_values
end
alias_method :to_a, :values
# @!macro struct_values_at
def values_at(*indexes)
ns_values_at(indexes)
end
# @!macro struct_inspect
def inspect
ns_inspect
end
alias_method :to_s, :inspect
# @!macro struct_merge
def merge(other, &block)
ns_merge(other, &block)
end
# @!macro struct_to_h
def to_h
ns_to_h
end
# @!macro struct_get
def [](member)
ns_get(member)
end
# @!macro struct_equality
def ==(other)
ns_equality(other)
end
# @!macro struct_each
def each(&block)
return enum_for(:each) unless block_given?
ns_each(&block)
end
# @!macro struct_each_pair
def each_pair(&block)
return enum_for(:each_pair) unless block_given?
ns_each_pair(&block)
end
# @!macro struct_select
def select(&block)
return enum_for(:select) unless block_given?
ns_select(&block)
end
# @!macro struct_new
def self.new(*args, &block)
clazz_name = nil
if args.length == 0
raise ArgumentError.new('wrong number of arguments (0 for 1+)')
elsif args.length > 0 && args.first.is_a?(String)
clazz_name = args.shift
end
FACTORY.define_struct(clazz_name, args, &block)
end
FACTORY = Class.new(Synchronization::Object) do
def define_struct(name, members, &block)
synchronize do
Synchronization::AbstractStruct.define_struct_class(ImmutableStruct, Synchronization::Object, name, members, &block)
end
end
end.new
private_constant :FACTORY
end
end
Version data entries
23 entries across 21 versions & 5 rubygems