call a callback when all passed streams have ended or any stream has errored
call a callback when all passed streams have ended or any constituent stream has errored.
var exuent = require'exuent'exuentstream1 stream2 streamN// called ONCE after each stream has exited OR// any stream has errored.// alternatively:exuentstream1 streamN// same deal!
ready will be called on
nextTick if no streams are provided.
Does not trigger flowing mode or reads. Streams must be piped separately from this function.