Mark a one parameter step as taking a next callback, instead of relying on the
parameter-name check. Such a step gets only the callback. The previous step's value
is not passed to it. A two parameter step already gets (result, next) and does not
need this.
Mark a one parameter step as taking a
nextcallback, instead of relying on the parameter-name check. Such a step gets only the callback. The previous step's value is not passed to it. A two parameter step already gets(result, next)and does not need this.