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package iotools
import "io"
// WriterFunc is a function signature which allows
// a function to implement the io.Writer type.
type WriterFunc func([]byte) (int, error)
func (w WriterFunc) Write(b []byte) (int, error) {
return w(b)
}
// WriteCloser wraps an io.Writer and io.Closer in order to implement io.WriteCloser.
func WriteCloser(w io.Writer, c io.Closer) io.WriteCloser {
return &struct {
io.Writer
io.Closer
}{w, c}
}
// NopWriteCloser wraps an io.Writer to implement io.WriteCloser with empty io.Closer implementation.
func NopWriteCloser(w io.Writer) io.WriteCloser {
return WriteCloser(w, CloserFunc(func() error {
return nil
}))
}
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