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package iotools
import (
"io"
)
// ReaderFunc is a function signature which allows
// a function to implement the io.Reader type.
type ReaderFunc func([]byte) (int, error)
func (r ReaderFunc) Read(b []byte) (int, error) {
return r(b)
}
// ReadCloser wraps an io.Reader and io.Closer in order to implement io.ReadCloser.
func ReadCloser(r io.Reader, c io.Closer) io.ReadCloser {
return &struct {
io.Reader
io.Closer
}{r, c}
}
// NopReadCloser wraps an io.Reader to implement io.ReadCloser with empty io.Closer implementation.
func NopReadCloser(r io.Reader) io.ReadCloser {
return ReadCloser(r, CloserFunc(func() error {
return nil
}))
}
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