Sha256: e66719449648e74e12805a17fc86e5fe7d8176f103d69ea534ea9ec1658648e1
Contents?: true
Size: 781 Bytes
Versions: 12
Compression:
Stored size: 781 Bytes
Contents
if RUBY_VERSION >= '2.0.0' && (Struct.new(:a, :keyword_init => true) && false rescue true)
require 'backports/tools/alias_method_chain'
eval %q[
class << Struct
def new_with_keyword_init(*members, keyword_init: false, &block)
klass = new_without_keyword_init(*members)
if keyword_init
members.shift unless members.first.is_a?(Symbol)
arg_list = members.map { |m| "#{m}: nil"}.join(', ')
setter = members.map { |m| "self.#{m} = #{m} " }.join("\n")
klass.class_eval <<-RUBY, __FILE__, __LINE__ + 1
def initialize(#{arg_list})
#{setter}
end
RUBY
end
klass.class_eval(&block) if block
klass
end
Backports.alias_method_chain(self, :new, :keyword_init)
end
]
end
Version data entries
12 entries across 12 versions & 3 rubygems