Module: Capistrano::DockerCloud::Helpers::CollectionHelper

Included in:
Base, Client
Defined in:
lib/capistrano/docker-cloud/helpers/collection_helper.rb

Instance Method Summary collapse

Instance Method Details

#first_or_raise_error!(objects, name) ⇒ Object 



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# File 'lib/capistrano/docker-cloud/helpers/collection_helper.rb', line 5

def first_or_raise_error!(objects, name)
  unless objects.size == 1
    raise "1 object expected with #{name}, #{objects.size} objects " \
          'found'
  end
  objects.first
end