block9.go

package io

// Reader is the interface that wraps the basic Read method.
type Reader interface {
  Read(p []byte) (n int, err error)
}

type multiReader struct {
  readers []Reader
}

func (mr *multiReader) Read(p []byte) (n int, err error) {
  // Blah blah blah.
  return 0, EOF
}

// MultiReader returns a Reader that's the logical concatenation of the provided input readers.
func MultiReader(readers ...Reader) Reader {
  r := make([]Reader, len(readers))
  copy(r, readers)
  return &multiReader{r}
}