JsonRequest sets the content type to application/json.

NewCounter instantiates Counter.

SendMessage creates and send a HTTP Request to the specified addresss.

Term returns a channel which receives a message when there is an interrupt.

ErrBadResponse is returned when the request did not receive a 2** response.

ErrResponseReadFail is returned when the response to the request could not be read.

ErrSendFaied is returned when the request could not be created.

Counter is a thread safe monotonic natural number counter.

RequestOption can be used to modify the request that is to be sent.