data/dirgra-0.3/spec/vertex_spec.rb:203: atleast ==> at least
data/dirgra-0.3/spec/vertex_spec.rb:221: atleast ==> at least
data/dirgra-0.3/spec/vertex_spec.rb:239: atleast ==> at least
data/dirgra-0.3/spec/vertex_spec.rb:257: atleast ==> at least