Contents

# frozen_string_literal: true

module Slack
  module BlockKit
    class TypeRestrictedArray < Array
      undef_method :concat, :[]= # Surely never necessary lol

      def initialize(*classes)
        @classes = classes
      end

      def <<(item)
        unless @classes.any? { |cls| item.is_a?(cls) }
          raise TypeError, "#{self.class} only accepts #{@classes}"
        end

        super(item)
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
slack-block-kit-0.1.0	lib/slack/block_kit/type_restricted_array.rb